# A147999 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 3
4 8
5 15
6 39
7 77
8 244
9 543
10 1655
11 3729
12 12385
13 29510
14 93170
15 221283
16 764948
17 1908675
18 6323115
19 15688889
20 55069789
21 141067986
22 473165330
23 1200395415
24 4290381497
25 11232104990
26 38585190644
27 100082744787
28 360316046969
29 956558534943
30 3305432502421
31 8679121868177
32 31575545872868
33 84905308145331