# A108131 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 6 9 1 10 1 11 1 12 28 13 84 14 1 15 1 16 1 17 120 18 2925 19 1820 20 1 21 1 22 1 23 496 24 85320 25 635376 26 53130 27 1 28 1 29 1 30 2016 31 2362041 32 174792640 33 234531275 34 1947792 35 1 36 1 37 1 38 8128 39 64304604 40 45545029376 41 782083984500 42 131513824548