# A112566 (b-file synthesized from sequence entry)
1 1
2 3
3 9
4 31
5 109
6 421
7 1585
8 5454
9 20681
10 80983
11 311221
12 1168531
13 4505761
14 17907735
15 69240865
16 272109736
17 1078430833
18 4147985381
19 16383884581
20 64335012378
21 234179431201
22 929947274509
23 3651532869601
24 14453209093051
25 56596999501225