# A150793 (b-file synthesized from sequence entry)
0 1
1 2
2 8
3 31
4 129
5 561
6 2490
7 11245
8 51533
9 238676
10 1114413
11 5240536
12 24788101
13 117813202
14 562262025
15 2693085867
16 12939283871
17 62336917334
18 301041033610
19 1456918032898
20 7064316729091
21 34312084903893
22 166914996786011
23 813112960416231
24 3966047836697198
25 19367308710719144
26 94676630096016922