# A321330 (b-file synthesized from sequence entry) 0 2 1 4 2 1 3 80 4 1 5 1120 6 1 7 44800 8 1 9 197120 10 1 11 1793792000 12 1 13 102502400 14 1 15 4879114240000 16 1 17 259568877568000 18 1 19 40789395046400000 20 1 21 238803367362560000 22 1 23 9561686829196902400000 24 1 25 1050734816395264000000 26 1 27 7922540515620290560000000 28 1 29 52951091790199773986816000000