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A115330 as a simple table

na(n)
01
11
225
3169
45329
578961
63031081
771995225
83275616289
9108078535009
105707994717881
11241468632426121
1214559189135946225
13750901957984356049
1450993055118129961929
153098872535897951163961
16234376094007794247481921

[1,1,25,169,5329,78961,3031081,71995225,
 3275616289,108078535009,5707994717881,
 241468632426121,14559189135946225,
 750901957984356049,50993055118129961929,
 3098872535897951163961,234376094007794247481921]