# A290315 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 1 4 16 5 12 6 1 7 66 8 284 9 120 10 1 11 224 12 2872 13 5952 14 1680 15 1 16 706 17 21080 18 116336 19 146064 20 30240 21 1 22 2160 23 132228 24 1531072 25 4804656 26 4130304 27 665280 28 1 29 6530 30 760500 31 16271080 32 101422640 33 208791648 34 132557760 35 17297280 36 1 37 19648 38 4155120 39 151922560 40 1661273440 41 6556459008 42 9657333504 43 4766423040 44 518918400 45 1 46 59010 47 21993776 48 1304454880 49 23155279200 50 155184721088 51 427142449920 52 477104352768 53 189945688320 54 17643225600