# A002263 (b-file synthesized from sequence entry)
1 1
2 2
3 3
4 5
5 10
6 11
7 26
8 32
9 39
10 92
11 116
12 134
13 170
14 224
15 277
16 332
17 370
18 374
19 640
20 664
21 820
22 1657
23 1952
24 1969
25 2576