# A047062 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 7
4 23
5 76
6 278
7 1014
8 3792
9 14239
10 53516
11 203219
12 774991
13 2970994
14 11427400
15 44044577
16 170220249
17 659281162
18 2558782202
19 9948657480
20 38736609234
21 151032841208
22 589597013958
23 2304279342902
24 9015037085068
25 35302506743196
26 138362112861968