# A153902 (b-file synthesized from sequence entry)
0 1
1 2
2 1
3 1
4 2
5 2
6 4
7 8
8 9
9 13
10 28
11 40
12 68
13 188
14 247
15 498
16 1534
17 2240
18 5457
19 19030
20 34984
21 92787
22 351730
23 736460
24 2179274
25 9660082
26 22277066
27 75466794
28 381461162
29 984019235
30 3823360536