# A106256 (b-file synthesized from sequence entry) 1 1 2 3 3 17 4 43 5 237 6 599 7 3301 8 8343 9 45977 10 116203 11 640377 12 1618499 13 8919301 14 22542783 15 124229837 16 313980463 17 1730298417 18 4373183699 19 24099948001 20 60910591323 21 335668973597 22 848375094823 23 4675265682357 24 11816340736199