# A149884 (b-file synthesized from sequence entry)
0 1
1 2
2 5
3 14
4 44
5 151
6 530
7 1956
8 7333
9 28175
10 110374
11 438557
12 1766533
13 7185329
14 29576438
15 122613969
16 512239312
17 2156329253
18 9129063620
19 38862836164
20 166293448143
21 715081979684
22 3086928355364
23 13378595285185
24 58208937327489
25 254060121142994
26 1112288142183214
27 4884520416003977