# A135367 (b-file synthesized from sequence entry)
1 1
2 2
3 4
4 5
5 7
6 8
7 15
8 23
9 31
10 87
11 111
12 119
13 167
14 335
15 1391
16 1455
17 1607
18 1679
19 1991
20 25887
21 26375