# A363152 (b-file synthesized from sequence entry) 0 1 1 12 2 180 3 630 4 2100 5 3465 6 6306300 7 30030 8 2187900 9 101846745 10 355655300 11 133855722 12 121808707020 13 10140585 14 194090796900 15 46329473220030 16 4870754760300 17 300840735195 18 384913687052594700 19 2473579378270 20 100402586963979300 21 27473798796507063 22 17194486321623468