# A001366 (b-file synthesized from sequence entry)
1 0
2 0
3 0
4 1
5 3
6 5
7 7
8 11
9 18
10 22
11 30
12 36
13 47
14 56
15 72
16 82
17 97
18 111
19 132
20 145
21 170
22 186
23 216
24 240
25 260
26 290
27 324
28 360
29 381
30 420