# A054394 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 5
4 14
5 42
6 132
7 429
8 1429
9 4847
10 16660
11 57820
12 202086
13 709928
14 2503266
15 8850681
16 31355020
17 111242127
18 395091069
19 1404332528
20 4994581900
21 17771328588
22 63253477326
23 225194224134
24 801884971816
25 2855809269782
26 10171707099565