A001087 Related to S(n), the number of self-dual monotone Boolean functions of n variables (A001206): 2^n-th term is S(n).

1, 2, 3, 4, 5, 7, 11, 12, 13, 18, 26, 31, 49, 62, 80, 81, 82, 101, 126, 167, 215, 295, 417, 436, 602, 887, 1371, 1454, 2332, 2479, 2645, 2646