# A161584 (b-file synthesized from sequence entry) 1 0 2 15 3 3360 4 749280 5 167086095 6 37259449920 7 8308690246080 8 1852800665425935 9 413166239699737440 10 92134218652376023200 11 20545517593240153436175 12 4581558289073901840243840 13 1021666952945886870220940160