# A153555 (b-file synthesized from sequence entry)
0 1
1 2
2 4
3 7
4 11
5 29
6 94
7 305
8 942
9 3700
10 17914
11 96925
12 550823
13 3593444
14 27564919
15 242155962
16 2360399737
17 25960549046
18 327176065746
19 4712254866397
20 76708072697647
21 1412166412163055
22 29553071463431116
23 703960430349591146