# A082735 (b-file synthesized from sequence entry) 1 1 2 8 3 105 4 5760 5 328185 6 42577920 7 5568833025 8 1300252262400 9 304513870485825 10 111644006842368000 11 40992233865440682825 12 21695920874860629196800 13 11492457771692770753505625 14 8291067715225260172247040000