Walsh matrix antidiagonals converted to decimal.

Terms

a(0) =1a(1) =3a(2) =5a(3) =15a(4) =17a(5) =51a(6) =93a(7) =255a(8) =257a(9) =771a(10) =1453a(11) =3855a(12) =4593a(13) =13299a(14) =23901a(15) =65535a(16) =65537a(17) =196611a(18) =371373a(19) =983055a(20) =1175281a(21) =3394803a(22) =6103645a(23) =16711935a(24) =16908033a(25) =50593539a(26) =95245741a(27) =252706575a(28) =301011441a(29) =871576563