# A124712 (b-file synthesized from sequence entry)
0 1
1 19
2 55
3 127
4 339
5 899
6 2455
7 6767
8 18859
9 52939
10 149535
11 424487
12 1210059
13 3461659
14 9933055
15 28577687
16 82409179
17 238128539
18 689345935
19 1998806327
20 5804195179
21 16876837979
22 49132180735
23 143192973047
24 417751959379