# A257635 (b-file synthesized from sequence entry) 0 1 1 2 2 1 3 12 4 7 5 1 6 120 7 74 8 15 9 1 10 1680 11 1066 12 251 13 26 14 1 15 30240 16 19524 17 5000 18 635 19 40 20 1 21 665280 22 434568 23 117454 24 16815 25 1345 26 57 27 1 28 17297280 29 11393808 30 3197348 31 495544 32 45815 33 2527 34 77 35 1 36 518918400 37 343976400 38 99236556 39 16275700 40 1659889 41 107800 42 4354 43 100 44 1