# A084416 (b-file synthesized from sequence entry) 1 1 2 3 3 2 4 13 5 12 6 6 7 75 8 74 9 60 10 24 11 541 12 540 13 510 14 360 15 120 16 4683 17 4682 18 4620 19 4080 20 2520 21 720 22 47293 23 47292 24 47166 25 45360 26 36960 27 20160 28 5040 29 545835 30 545834 31 545580 32 539784 33 498960 34 372960 35 181440 36 40320 37 7087261 38 7087260 39 7086750 40 7068600 41 6882120 42 6048000 43 4142880 44 1814400 45 362880