# A132617 (b-file synthesized from sequence entry) 0 1 1 1 2 3 3 25 4 378 5 8460 6 252087 7 9392890 8 420142350 9 21927528948 10 1307723670020 11 87712176219801 12 6534001434836758 13 535159878432210000 14 47792303301224799288 15 4621416976280491118910 16 481020078381722064175750