Haramard matrices of order 8t, t any possitive integer

• Hadamard matrices of order 16 (5 Matrices)
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• Hadamard matrices of order 32 (19 Matrices)
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• Hadamard matrices of order 32 by a doubling method (62104 Matrices)
• Hadamard matrices of order 32 (3578006 Matrices)
• Hadamard matrices of order 32 by a doubling method (1400 Matrices)
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• Hadamard matrices of order 40 (98 Matrices)
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• Hadamard matrices of order 40 by a doubling method (3.66x10¹¹ Matrices)
• Skew-Hadamard matrices of order 40 (22 Matrices)
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• Hadamard matrices of order 48 (53 Matrices)
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• Hadamard matrices of order 48 from the OD(16;1,1,2,2,2,2,2,2,2) (4 Matrices)
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• Hadamard matrices of order 48 by a doubling method (3013006 Matrices)
• Hadamard matrices of order 56 (205 Matrices)
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• Hadamard matrices of order 56 by a doubling method (2216264 Matrices)
• Hadamard matrices of order 64 (395 Matrices)
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• Hadamard matrices of order 64 by a doubling method (1696940 Matrices)
• Hadamard matrices of order 72 (597 Matrices)
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• Hadamard matrices of order 72 by a doubling method (1339890 Matrices)
• Hadamard matrices of order 80 (149 Matrices)
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• Hadamard matrices of order 80 from the OD(16;1,1,2,2,2,2,2,2,2) (24 Matrices)
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• Hadamard matrices of order 80 by a doubling method (4025308 Matrices)
• Hadamard matrices of order 96 (2664 Matrices)
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• Skew- Hadamard matrices of order 96 (12 Matrices)
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• Hadamard matrices of order 96 by a doubling method (3196189 Matrices)
• Hadamard matrices of order 112 (94 Matrices)
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• Hadamard matrices of order 144 (422 Matrices)
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• Hadamard matrices of order 176 (360 Matrices)
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  All matrices are given in the form of (1,-1) matrices.
• Summary results for the existences of Hadamard matrices