# A111921 (b-file synthesized from sequence entry) 1 1 2 16 3 432 4 6912 5 864000 6 864000 7 296352000 8 4741632000 9 128024064000 10 128024064000 11 170400029184000 12 170400029184000 13 374368864117248000 14 374368864117248000 15 14974754564689920 16 239596073035038720