# A153687 (b-file synthesized from sequence entry)
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 23
9 56
10 77
11 103
12 320
13 1477
14 1821
15 2992
16 15290
17 180168
18 410498
19 548816
20 672732
21 2601223