# A265603 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 1 4 6 5 1 6 1 7 30 8 2 9 1 10 1 11 42 12 20 13 1 14 1 15 1 16 30 17 63 18 12 19 3 20 1 21 1 22 66 23 1260 24 504 25 12 26 2 27 1 28 1 29 2730 30 495 31 360 32 72 33 4 34 2 35 1 36 1 37 6 38 900900 39 5940 40 432 41 2 42 30 43 3 44 1 45 1 46 510 47 15015 48 1351350 49 990 50 80 51 6 52 10 53 1 54 1 55 1 56 798 57 5105100 58 360360 59 154440 60 1056 61 80 62 12 63 2 64 2 65 1