# A124719 (b-file synthesized from sequence entry)
0 1
1 26
2 76
3 176
4 472
5 1256
6 3442
7 9518
8 26608
9 74912
10 212206
11 604058
12 1726582
13 4952246
14 14246644
15 41090936
16 118785568
17 344073056
18 998415598
19 2901784298
20 8445850762
21 24614293082
22 71820129424
23 209785569908
24 613390314046