# A027214 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 3 4 6 5 11 6 22 7 43 8 94 9 173 10 398 11 707 12 1680 13 2917 14 7085 15 12111 16 29877 17 50503 18 126021 19 211263 20 531751 21 885831 22 2244627 23 3720995 24 9478605 25 15652239 26 40040183 27 65913927 28 169193597 29 277822147 30 715143046 31 1171853635 32 3023492646