# A063027 (b-file synthesized from sequence entry) 0 0 1 1 2 1 3 3 4 9 5 33 6 126 7 510 8 2127 9 9113 10 39809 11 176735 12 794937 13 3615045 14 16593156 15 76773972 16 357692784 17 1676664234 18 7901590287 19 37416151209 20 177935914254 21 849461877990 22 4069507806000 23 19557840481380 24 94267485120510 25 455575848843726 26 2207117072396682 27 10717034365197286