# A084417 (b-file synthesized from sequence entry) 1 1 2 2 3 3 4 6 5 12 6 13 7 24 8 60 9 74 10 75 11 120 12 360 13 510 14 540 15 541 16 720 17 2520 18 4080 19 4620 20 4682 21 4683 22 5040 23 20160 24 36960 25 45360 26 47166 27 47292 28 47293 29 40320 30 181440 31 372960 32 498960 33 539784 34 545580 35 545834 36 545835 37 362880 38 1814400 39 4142880 40 6048000