# A187552 (b-file synthesized from sequence entry) 0 1 1 6 2 1 3 18 4 24 5 1 6 40 7 180 8 60 9 1 10 75 11 800 12 900 13 120 14 1 15 126 16 2625 17 7000 18 3150 19 210 20 1 21 196 22 7056 23 36750 24 39200 25 8820 26 336 27 1 28 288 29 16464 30 148176 31 308700 32 164640 33 21168 34 504 35 1 36 405 37 34560 38 493920 39 1778112 40 1852200 41 564480 42 45360 43 720 44 1 45 550 46 66825 47 1425600 48 8149680 49 14669424 50 8731800 51 1663200 52 89100 53 990 54 1 55 726 56 121000 57 3675375 58 31363200 59 89646480 60 92207808 61 34303500 62 4356000 63 163350 64 1320 65 1