# A068514 (b-file synthesized from sequence entry) 1 1 2 2 3 4 4 6 5 10 6 12 7 20 8 28 9 40 10 70 11 72 12 84 13 90 14 140 15 198 16 220 17 252 18 264 19 308 20 504 21 572 22 728 23 858 24 924 25 1092 26 1560 27 1716 28 1820 29 1848 30 2520 31 2860 32 3432 33 3960 34 4420 35 4760 36 5304 37 6120 38 6864 39 8976 40 9724 41 12870 42 12920 43 14586 44 15504 45 16796 46 21318 47 25740