# A084856 (b-file synthesized from sequence entry) 1 21 2 40 3 96 4 120 5 168 6 192 7 240 8 480 9 432 10 528 11 720 12 480 13 528 14 960 15 1272 16 912 17 1008 18 1320 19 840 20 1200 21 1560 22 1680 23 2520 24 2280 25 1200 26 1248 27 1272 28 1320 29 4248 30 4392 31 2640 32 2160 33 3432 34 3480 35 2448 36 3768 37 3240 38 3360 39 4152 40 2832 41 4440 42 4488 43 2328 44 2352 45 5712