# A007878 (b-file synthesized from sequence entry)
1 1
2 2
3 5
4 16
5 59
6 246
7 1103
8 5247
9 26059
10 133881
11 706799
12 3815311
13 20979619
14 117178725
15 663316190
16 3798697446
17 21976689397