# A026307 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 3
4 9
5 14
6 44
7 70
8 230
9 369
10 1242
11 2002
12 6853
13 11076
14 38376
15 62127
16 217242
17 352070
18 1239980
19 2010998
20 7123765
21 11559030
22 41141916
23 66780155
24 238637282
25 387444085
26 1389206210
27 2255875650
28 8112107475
29 13174629240
30 47495492400