# A013619 (b-file synthesized from sequence entry) 0 1 1 1 2 12 3 1 4 24 5 144 6 1 7 36 8 432 9 1728 10 1 11 48 12 864 13 6912 14 20736 15 1 16 60 17 1440 18 17280 19 103680 20 248832 21 1 22 72 23 2160 24 34560 25 311040 26 1492992 27 2985984 28 1 29 84 30 3024 31 60480 32 725760 33 5225472 34 20901888 35 35831808 36 1 37 96 38 4032 39 96768 40 1451520 41 13934592 42 83607552 43 286654464 44 429981696