# A055633 (b-file synthesized from sequence entry) 1 1 2 1 3 1 4 2 5 1 6 10 7 1 8 2 9 280 10 2 11 10 12 235200 13 4 14 20 15 280 16 173859840000 17 40 18 2800 19 235200 20 98238542885683200000000 21 100 22 11200 23 65856000 24 173859840000 25 32169371027674057560745102540800000000000000000 26 28000 27 1317120000