# A372411 (b-file synthesized from sequence entry) 0 1 1 1 2 7 3 34 4 183 5 1001 6 5578 7 31459 8 179063 9 1026493 10 5918007 11 34277728 12 199309146 13 1162682314 14 6801575641 15 39885002534 16 234384591991 17 1379936226605 18 8137835460115 19 48062073927739 20 284233390132183 21 1682950066882489 22 9975692904121556 23 59190095764321975