# A007082 (b-file synthesized from sequence entry) 1 2 2 264 3 1015440 4 90449251200 5 169107043478365440 6 6267416821165079203599360 7 4435711276305905572695127676467200 8 58393052751308545653929138771580386824519680 9 14021772793551297695593332913856884153315254190271692800 10 60498832138791357698014788383803842810832836262245623803123983974400