# A078341 (b-file synthesized from sequence entry) 1 1 2 0 3 1 4 0 5 1 6 2 7 0 8 1 9 7 10 6 11 0 12 1 13 18 14 46 15 24 16 0 17 1 18 41 19 228 20 326 21 120 22 0 23 1 24 88 25 930 26 2672 27 2556 28 720 29 0 30 1 31 183 32 3406 33 17198 34 31484 35 22212 36 5040 37 0 38 1 39 374 40 11682 41 96040 42 295004 43 385144 44 212976 45 40320 46 0 47 1 48 757 49 38412 50 489298 51 2339380 52 4965900