# A140097 (b-file synthesized from sequence entry)
1 1
2 1
3 3
4 12
5 60
6 346
7 2218
8 15444
9 115075
10 908155
11 7535185
12 65374018
13 590579575
14 5537249212
15 53742567000
16 538801229874
17 5570060420573
18 59288164937748
19 648934780013375
20 7295904025820975
21 84174136470742517
22 995682428049720830