# A192238 (b-file synthesized from sequence entry) 1 1 2 0 3 1 4 6 5 37 6 256 7 1999 8 17490 9 169895 10 1816320 11 21205745 12 268547510 13 3667187645 14 53722014720 15 840455448415 16 13985762375970 17 246675543859855 18 4596826887347200 19 90249727067243425 20 1861971659969854950 21 40274219840308939925