# A110321 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 6 4 2 5 1 6 30 7 18 8 3 9 1 10 264 11 120 12 36 13 4 14 1 15 2520 16 1320 17 300 18 60 19 5 20 1 21 30960 22 15120 23 3960 24 600 25 90 26 6 27 1 28 428400 29 216720 30 52920 31 9240 32 1050 33 126 34 7 35 1 36 6894720 37 3427200 38 866880 39 141120 40 18480 41 1680 42 168 43 8 44 1 45 123742080 46 62052480 47 15422400 48 2600640