# A335730 (b-file synthesized from sequence entry) 1 2 2 4 3 12 4 20 5 40 6 72 7 124 8 200 9 330 10 520 11 804 12 1224 13 1832 14 2704 15 3960 16 5704 17 8144 18 11532 19 16164 20 22480 21 31056 22 42568 23 57972 24 78480 25 105610 26 141336 27 188208 28 249352 29 328824 30 431760 31 564468 32 734992 33 953424 34 1232144 35 1586760 36 2036580 37 2605352 38 3322584 39 4224624 40 5355920