Numbers m such that a Hadamard matrix of order m exists.

Terms

a(0) =1a(1) =2a(2) =4a(3) =8a(4) =12a(5) =16a(6) =20a(7) =24a(8) =28a(9) =32a(10) =36a(11) =40a(12) =44a(13) =48a(14) =52a(15) =56a(16) =60a(17) =64a(18) =68a(19) =72a(20) =76a(21) =80a(22) =84a(23) =88a(24) =92a(25) =96a(26) =100a(27) =104a(28) =108a(29) =112