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A063521 as a simple table

na(n)
00
11
216
359
4144
5285
6496
7791
81184
91689
102320
113091
124016
135109
146384
157855
169536
1711441
1813584
1915979
2018640
2121581
2224816
2328359
2432224
2536425
2640976
2745891
2851184
2956869
3062960
3169471
3276416
3383809
3491664
3599995
36108816
37118141

[0,1,16,59,144,285,496,791,1184,1689,2320,3091,
 4016,5109,6384,7855,9536,11441,13584,15979,18640,
 21581,24816,28359,32224,36425,40976,45891,51184,
 56869,62960,69471,76416,83809,91664,99995,108816,
 118141]