# A145902 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 1 4 4 5 4 6 1 7 14 8 36 9 24 10 1 11 48 12 240 13 384 14 192 15 1 16 162 17 1440 18 4160 19 4800 20 1920 21 1 22 536 23 8216 24 38400 25 76800 26 69120 27 23040 28 1 29 1738 30 45528 31 326032 32 1008000 33 1532160 34 1128960 35 322560 36 1 37 5536 38 247456 39 2634240 40 11854080 41 27095040 42 33116160