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A301748 as a simple table

na(n)
45
512
625
751
881
9155
10221
11376
12445
13782
14953
151457
161697
172501
182467
194030
204501
216176
226821
239087
249025
2512927
2613989
2717876
2819181
2924130
3021481
3131901
3233857
3341417
3443793
3552922
3652957
3766676
3869997
3982955
4086801
41102051
4297735
43124272
44129405
45149942
46155849

[5,12,25,51,81,155,221,376,445,782,953,1457,1697,
 2501,2467,4030,4501,6176,6821,9087,9025,12927,
 13989,17876,19181,24130,21481,31901,33857,41417,
 43793,52922,52957,66676,69997,82955,86801,102051,
 97735,124272,129405,149942,155849]