# A090039 (b-file synthesized from sequence entry)
0 0
1 1
2 2
3 6
4 17
5 48
6 130
7 355
8 965
9 2625
10 7137
11 19400
12 52736
13 143353
14 389676
15 1059250
16 2879340
17 7826860
18 21275611
19 57833108
20 157206689
21 427332086
22 1161609045
23 3157580759
24 8583194400
25 23331541370
26 63421704936
27 172398068058
28 468626535665
29 1273858996232