# A050277 (b-file synthesized from sequence entry) 0 1 1 96 2 64 3 18432 4 64 5 3840 6 5308416 7 128 8 24576 9 5898240 10 2038431744 11 3072 12 82575360 13 849346560 14 978447237120 15 2048 16 7864320 17 237817036800 18 652298158080 19 563585608581120 20 2048 21 2621440 22 11890851840 23 5707608883200