# A190015 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 1 4 6 5 8 6 1 7 24 8 42 9 16 10 22 11 1 12 120 13 264 14 180 15 192 16 136 17 52 18 1 19 720 20 1920 21 1248 22 540 23 1824 24 2304 25 272 26 732 27 720 28 114 29 1 30 5040 31 15840 32 10080 33 8064 34 18720 35 22752 36 9612 37 7056 38 10224 39 17928 40 3968 41 2538 42 3072 43 240 44 1 45 40320 46 146160 47 92160 48 70560 49 32256 50 207360 51 249120 52 193536 53 73728 54 61560 55 144720 56 246816 57 101844 58 142704 59 7936 60 51048 61 110448 62 34304 63 8334 64 11616 65 494 66 1