# A088704 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 7
4 23
5 71
6 231
7 743
8 2431
9 7999
10 26563
11 88683
12 297551
13 1002015
14 3385175
15 11466887
16 38933183
17 132454719
18 451423203
19 1540920939
20 5267257103
21 18027478847
22 61770328227
23 211872505243
24 727411948351
25 2499560376671