# A148507 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 5
4 17
5 34
6 126
7 279
8 1095
9 2588
10 10568
11 26135
12 109831
13 280825
14 1206019
15 3163573
16 13817947
17 36988956
18 163766640
19 445663467
20 1995178007
21 5504179695
22 24870604773
23 69405571235
24 316074230017
25 890773057954
26 4083914536666
27 11607708438209
28 53528079869585
29 153276618466706
30 710428433436742
31 2047649064421003