# A117937 (b-file synthesized from sequence entry) 1 1 2 1 3 1 4 3 5 3 6 2 7 4 8 10 9 12 10 6 11 7 12 27 13 58 14 60 15 24 16 11 17 71 18 240 19 420 20 360 21 120 22 18 23 180 24 920 25 2460 26 3504 27 2520 28 720 29 29 30 449 31 3360 32 13020 33 27720 34 32760 35 20160 36 5040 37 47 38 1107 39 11898 40 64620 41 194184 42 337680 43 338400 44 181440 45 40320 46 76 47 2710 48 41268 49 307194 50 1257120 51 3029760 52 4415040