# A058510 (b-file synthesized from sequence entry)
-1 1
0 0
1 9
2 19
3 42
4 78
5 146
6 249
7 429
8 695
9 1125
10 1749
11 2713
12 4086
13 6123
14 8986
15 13122
16 18852
17 26934
18 38001
19 53328
20 74068
21 102336
22 140208
23 191153