# A054182 (b-file synthesized from sequence entry) 0 0 1 0 2 0 3 2 4 3 5 6 6 11 7 20 8 36 9 69 10 126 11 237 12 446 13 841 14 1595 15 3046 16 5840 17 11238 18 21684 19 41955 20 81333 21 158007 22 307378 23 598968 24 1168767 25 2283307 26 4465653 27 8742429 28 17130723 29 33594988 30 65933365 31 129491817 32 254484590 33 500430065 34 984625784