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A282961 as a simple table

na(n)
01
13
25
311
417
551
665
7195
8273
9819
101025
113075
125201
1311443
1416641
1550947
1683281
17171699
18332033
19751363
201135953
213325619
224526337
2314317315
2417061201
2551232435
2671307521
27231044867
28289690961
29933084851
301141903617
313698423555
324651504977
3314676246195

[1,3,5,11,17,51,65,195,273,819,1025,3075,5201,
 11443,16641,50947,83281,171699,332033,751363,
 1135953,3325619,4526337,14317315,17061201,
 51232435,71307521,231044867,289690961,933084851,
 1141903617,3698423555,4651504977,14676246195]