Number of subsets of {1,2,3,...,n} that sum to 0 mod 64.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =1a(7) =1a(8) =1a(9) =1a(10) =1a(11) =2a(12) =21a(13) =105a(14) =316a(15) =705a(16) =1297a(17) =2181a(18) =3837a(19) =7596a(20) =15962a(21) =32998a(22) =66173a(23) =131379a(24) =261910a(25) =524012a(26) =1048568a(27) =2097228a(28) =4194318a(29) =8388600