# A075935 (b-file synthesized from sequence entry)
0 63
1 455
2 1611
3 2709
4 12365
5 20630
6 37463
7 70299
8 135886
9 786510
10 1310867
11 2363919
12 12582995
13 20971674
14 37749317
15 71307271
16 138674310
17 272892511
18 541332108
19 3221225558
20 5368709276
21 9663677009
22 18253615171
23 35433742539