# A062744 (b-file synthesized from sequence entry) 0 1 1 1 2 10 3 145 4 2470 5 46060 6 910252 7 18730855 8 397089550 9 8612835715 10 190223180840 11 4263421511271 12 96723482198980 13 2216905597676000 14 51256802757808320