# A368567 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 3 4 9 5 14 6 48 7 75 8 275 9 429 10 1638 11 2548 12 9996 13 15504 14 62016 15 95931 16 389367 17 600875 18 2466750 19 3798795 20 15737865 21 24192090 22 100975680 23 154969620 24 650872404 25 997490844 26 4211628008 27 6446369400 28 27341497800 29 41802112192 30 177996090624 31 271861216539 32 1161588834303 33 1772528290407 34 7596549816030 35 11582393855305