# A007658 (b-file synthesized from sequence entry)
1 3
2 5
3 7
4 13
5 23
6 43
7 281
8 359
9 487
10 577
11 1579
12 1663
13 1741
14 3191
15 9209
16 11257
17 12743
18 13093
19 17027
20 26633
21 104243
22 134227
23 152287
24 700897
25 1205459
26 1896463
27 2533963
28 2674381