# A264863 (b-file synthesized from sequence entry) 1 1 2 2 3 5 4 12 5 72 6 516 7 2727 8 29935 9 295297 10 2830610 11 27816612 12 288374240 13 4410043504 14 44410041788 15 716533737436 16 16424244452552