# A335728 (b-file synthesized from sequence entry) 1 0 2 2 3 0 4 6 5 4 6 12 7 12 8 30 9 36 10 60 11 80 12 132 13 180 14 264 15 360 16 522 17 712 18 990 19 1344 20 1844 21 2472 22 3324 23 4420 24 5892 25 7764 26 10212 27 13344 28 17400 29 22556 30 29160 31 37524 32 48166 33 61560 34 78456 35 99648 36 126234 37 159396 38 200740 39 252096 40 315828