# A095192 (b-file synthesized from sequence entry) 1 10 2 21 3 62 4 247 5 1202 6 7201 7 50401 8 403201 9 3628801 10 36288001 11 399168002 12 4790016001 13 62270208001 14 871782912007 15 130767436800017 16 209227898880001 17 3556874280960001 18 64023737057280001 19 12164510040883200031