# A193094 (b-file synthesized from sequence entry) 0 1 1 2 2 1 3 6 4 4 5 3 6 24 7 18 8 16 9 13 10 120 11 96 12 90 13 84 14 71 15 720 16 600 17 576 18 558 19 532 20 461 21 5040 22 4320 23 4200 24 4128 25 4050 26 3908 27 3447 28 40320 29 35280 30 34560 31 34200 32 33888 33 33462 34 32540 35 29093 36 362880 37 322560 38 317520 39 315360 40 313800 41 312096 42 309330 43 302436