A068035 Number of subsets of {1,2,3,...,n} that sum to 0 mod 14.

1, 1, 1, 1, 1, 2, 5, 10, 19, 37, 73, 147, 293, 586, 1172, 2342, 4682, 9362, 18726, 37450, 74900, 149800, 299596, 599188, 1198372, 2396748, 4793492, 9586984, 19173968, 38347928, 76695848, 153391688, 306783384, 613566760, 1227133520, 2454267040