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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

A057421 as a simple table

na(n)
11024
21296
31458
42500
52592
63750
73072
86480
911250
1015552
1114580
1252500
1322500
1446080
1557024
16163296
1778750
18101376
19306250
20291600
21473850
22453600
231968750
241305600
252095632
26652500
271632960
2813162500
293442500
302114100
314353750
3228540512
339722592
3420944170

[1024,1296,1458,2500,2592,3750,3072,6480,11250,
 15552,14580,52500,22500,46080,57024,163296,78750,
 101376,306250,291600,473850,453600,1968750,
 1305600,2095632,652500,1632960,13162500,3442500,
 2114100,4353750,28540512,9722592,20944170]