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A080925 as a simple table

na(n)
00
11
25
313
441
5121
6365
71093
83281
99841
1029525
1188573
12265721
13797161
142391485
157174453
1621523361
1764570081
18193710245
19581130733
201743392201
215230176601
2215690529805
2347071589413
24141214768241
25423644304721
261270932914165

[0,1,5,13,41,121,365,1093,3281,9841,29525,88573,
 265721,797161,2391485,7174453,21523361,64570081,
 193710245,581130733,1743392201,5230176601,
 15690529805,47071589413,141214768241,423644304721,
 1270932914165]