# A149995 (b-file synthesized from sequence entry)
0 1
1 2
2 5
3 17
4 59
5 214
6 803
7 3084
8 12035
9 47520
10 190175
11 767807
12 3121485
13 12777633
14 52607949
15 217615055
16 903971491
17 3770023829
18 15776636920
19 66218490239
20 278713126944
21 1176087850563
22 4974012901260
23 21080531329739
24 89516666392125
25 380805658516829
26 1622622248429071
27 6924695935436127