# A147031 (b-file synthesized from sequence entry) 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 5 10 13 11 25 12 43 13 89 14 283 15 1197 16 5015 17 19569 18 70793 19 320835 20 1805563 21 12416113 22 87073927