# A014765 (b-file synthesized from sequence entry)
1 1
2 16
3 121
4 676
5 4356
6 3249
7 91204
8 14400
9 1418481
10 5837056
11 61009
12 18429849
13 243953161
14 252004
15 213393664
16 7785238756
17 24395316100
18 1026169
19 2288665600
20 207199756864
21 1717027605316
22 4145296
23 23298053769
24 4855359366144
25 94830864276996
26 247251975165504