# A236583 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 11
4 33
5 96
6 281
7 821
8 2400
9 7015
10 20505
11 59936
12 175193
13 512089
14 1496836
15 4375251
16 12788857
17 37381824
18 109267057
19 319387565
20 933569728
21 2728823951
22 7976351345
23 23314871872
24 68149361393