A068033 Number of subsets of {1,2,3,...,n} that sum to 0 mod 12.

1, 1, 1, 1, 1, 3, 6, 11, 22, 44, 86, 172, 344, 684, 1368, 2736, 5464, 10928, 21856, 43696, 87392, 174784, 349536, 699072, 1398144, 2796224, 5592448, 11184896, 22369664, 44739328, 89478656, 178957056, 357914112, 715828224, 1431655936