# A046525 (b-file synthesized from sequence entry) 1 2 2 8 3 12 4 18 5 24 6 36 7 40 8 56 9 60 10 72 11 80 12 84 13 96 14 108 15 132 16 180 17 240 18 252 19 288 20 360 21 480 22 504 23 720 24 1260