# A150103 (b-file synthesized from sequence entry) 0 1 1 2 2 6 3 19 4 68 5 255 6 984 7 3929 8 16013 9 66253 10 278482 11 1183947 12 5079517 13 21992997 14 95913334 15 420824859 16 1857477019 17 8239560040 18 36707294405 19 164224110552 20 737390796048 21 3321642113284 22 15009789841105 23 68013861083631 24 308958608029480 25 1406890127444539 26 6420448495277942 27 29358341405419166