Least m such that B(n!) = B(n!+m), where B(n) is the sum of binary digits of n.

Terms

a(0) =1a(1) =2a(2) =3a(3) =9a(4) =15a(5) =16a(6) =17a(7) =129a(8) =129a(9) =271a(10) =256a(11) =1055a(12) =1025a(13) =2048a(14) =2049a(15) =32769a(16) =32769a(17) =65537a(18) =65536a(19) =262144a(20) =262144a(21) =524289a(22) =524288a(23) =4194307a(24) =4194311a(25) =8388609a(26) =8388608a(27) =33554435a(28) =33554433a(29) =67108864