# A052296 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 2 4 1 5 6 6 6 7 1 8 12 9 36 10 32 11 6 12 1 13 20 14 120 15 280 16 280 17 120 18 20 19 1 20 30 21 300 22 1320 23 2910 24 3492 25 2400 26 960 27 210 28 20 29 1 30 42 31 630 32 4480 33 17220 34 39144 35 56294 36 53760 37 35070 38 15680 39 4662 40 840 41 70 42 1 43 56 44 1176 45 12320 46 73220 47 269136 48 654304 49 1108928 50 1362900