# A143083 (b-file synthesized from sequence entry) 1 3 2 10 3 70 4 21 5 252 6 1386 7 36 8 660 9 5148 10 25740 11 55 12 1430 13 15015 14 97240 15 461890 16 78 17 2730 18 37128 19 302328 20 1763580 21 8112468 22 105 23 4760 24 81396 25 813960 26 5720330 27 31201800 28 140408100 29 136 30 7752 31 162792 32 1961256 33 16343800 34 104303160 35 542911320 36 2404321560