# A331668 (b-file synthesized from sequence entry) 1 1 2 6 3 48 4 168 5 234 6 336 7 480 8 720 9 2688 10 5760 11 6048 12 6552 13 9920 14 13104 15 14880 16 22932 17 28080 18 48384 19 60480 20 65520 21 104832 22 119040 23 195840 24 227584 25 235872 26 366912 27 587520 28 725760 29 786240 30 881280 31 952320 32 967680 33 1048320 34 2031120 35 3641344 36 3921372 37 4642560