# A175371 (b-file synthesized from sequence entry)
0 1
1 9
2 89
3 617
4 2137
5 4897
6 10625
7 19777
8 34625
9 55217
10 84441
11 123385
12 174329
13 243145
14 325929
15 429329
16 557169
17 708961
18 894625
19 1110209
20 1363561
21 1656505
22 1994281