# A150775 (b-file synthesized from sequence entry)
0 1
1 2
2 8
3 30
4 130
5 560
6 2515
7 11414
8 52747
9 245438
10 1153428
11 5451143
12 25915808
13 123731198
14 593089167
15 2852055352
16 13755006246
17 66500899299
18 322217412195
19 1564256873782
20 7607081045206
21 37050749287155
22 180708563205005
23 882479863916443
24 4314455261165435
25 21115325837211025
26 103438362436377391