# A347665 (b-file synthesized from sequence entry) 0 1 1 2 2 8 3 39 4 227 5 1518 6 11368 7 93796 8 842416 9 8158942 10 84581560 11 932878169 12 10891741957 13 134043979644 14 1732583270218 15 23445954950207 16 331260511278659 17 4874617929283392 18 74548457001207068 19 1182551615010825076 20 19423368875596930596 21 329809489306236629874