# A151499 (b-file synthesized from sequence entry) 0 1 1 0 2 1 3 1 4 4 5 5 6 20 7 47 8 126 9 327 10 1041 11 2854 12 8083 13 24892 14 76208 15 222509 16 686079 17 2174516 18 6673802 19 20646366 20 66232829 21 210542762 22 662048460 23 2129820354 24 6910328426 25 22163635347 26 71624432296 27 234661293959 28 765583825870 29 2494320434589 30 8213432381547 31 27116116390705 32 89225059889125 33 295111869092137