# A138778 (b-file synthesized from sequence entry) 5 1 6 4 7 10 8 20 9 35 10 56 11 2 12 84 13 14 14 120 15 56 16 165 17 168 18 220 19 420 20 286 21 924 22 3 23 364 24 1848 25 30 26 455 27 3432 28 165 29 560 30 6006 31 660 32 680 33 10010 34 2145 35 816 36 16016 37 6006 38 4 39 969 40 24752 41 15015 42 52 43 1140 44 37128 45 34320 46 364