# A179281 (b-file synthesized from sequence entry) 0 0 1 0 2 2 3 -3 4 -56 5 720 6 360 7 -175770 8 2811520 9 27714960 10 -2332820800 11 36227931300 12 1242856742400 13 -79410400212000 14 881326533651200 15 97641790837227000 16 -5371510570250240000 17 7482518858066928000 18 12885336165384393984000