# A098384 (b-file synthesized from sequence entry) 0 1 1 3 2 2 3 13 4 18 5 8 6 75 7 158 8 144 9 48 10 541 11 1530 12 2120 13 1440 14 384 15 4683 16 16622 17 30960 18 31920 19 17280 20 3840