# A227222 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 6 4 27 5 172 6 1508 7 18107 8 297532 9 6694132 10 206841391 11 8816277300 12 520844677834 13 42854370882379 14 4933351077116176 15 797908056582772334 16 181972606629594221271 17 58701383528452842764544 18 26853636463946258949427440 19 17457976736153040916394583563