# A153964 (b-file synthesized from sequence entry)
0 1
1 2
2 2
3 4
4 6
5 8
6 17
7 62
8 97
9 362
10 1324
11 3868
12 13138
13 92566
14 270599
15 1645369
16 11553340
17 61799175
18 385381600
19 4833634814
20 26435310212
21 299198500876
22 3860046376506
23 38367622605338
24 439015544648715
25 10375069938961300