# A148140 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 4
4 11
5 29
6 79
7 239
8 717
9 2308
10 7297
11 24044
12 80190
13 272169
14 937998
15 3238896
16 11395781
17 40306202
18 144327012
19 518753441
20 1877343545
21 6847992964
22 25113561672
23 92664740665
24 342898523397
25 1275918429545
26 4768716120748
27 17899948765010
28 67407916028455
29 254582546853587
30 965161647585492
31 3670755986440919