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A000448 as a simple table

na(n)
10
225
3325
41105
54225
65525
727625
827625
971825
10138125
11160225
12160225
13801125
14801125
15801125
16801125
172082925
182082925
194005625
204005625
215928325
225928325
235928325
245928325
2529641625
2629641625
2729641625
2829641625
2929641625
3029641625
3129641625
3229641625

[0,25,325,1105,4225,5525,27625,27625,71825,138125,
 160225,160225,801125,801125,801125,801125,2082925,
 2082925,4005625,4005625,5928325,5928325,5928325,
 5928325,29641625,29641625,29641625,29641625,
 29641625,29641625,29641625,29641625]