# A146891 (b-file synthesized from sequence entry) 0 1 1 6 2 20 3 72 4 72 5 72 6 20 7 72 8 72 9 17280 10 4800 11 17280 12 72 13 17280 14 1152000 15 5184 16 5184 17 5184 18 96000 19 5184 20 345600 21 1244160 22 320000 23 1244160 24 82944000 25 89579520 26 71663616000 27 298598400 28 1244160 29 82944000 30 23040000 31 82944000 32 19906560000