# A337957 (b-file synthesized from sequence entry) 1 1 2 15 3 126 4 715 5 3060 6 10626 7 31465 8 82251 9 194580 10 424270 11 864501 12 1663740 13 3049501 14 5359095 15 9078630 16 14891626 17 23738715 18 36890001 19 56031760 20 83369265 21 121747626 22 174792640 23 247073751 24 344291325 25 473490550 26 643304376