# A148924 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 9
4 27
5 89
6 305
7 1059
8 3745
9 13479
10 49087
11 180213
12 666995
13 2486247
14 9317763
15 35090553
16 132721777
17 503845539
18 1919019473
19 7330426325
20 28075074671
21 107777969567
22 414624345139
23 1598154664693
24 6170822888835
25 23865066734975
26 92431451211199
27 358477967010287
28 1392025778093215
29 5411688536261939