# A062107 (b-file synthesized from sequence entry)
1 0
2 1
3 3
4 10
5 30
6 90
7 270
8 810
9 2430
10 7290
11 21870
12 65610
13 196830
14 590490
15 1771470
16 5314410
17 15943230
18 47829690
19 143489070
20 430467210
21 1291401630
22 3874204890
23 11622614670
24 34867844010
25 104603532030
26 313810596090
27 941431788270