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A224024 as a simple table

na(n)
14
210
316
420
5100
664
735
8400
91000
10256
1156
121225
136796
1410000
151024
1684
173136
1832523
19112436
20100000
214096
22120
237056
24122523
25772683
261859020
271000000
2816384
29165
3014400
31387729
324002738
3317735200
3430756756
3510000000
3665536
37220
3827225
391074167

[4,10,16,20,100,64,35,400,1000,256,56,1225,6796,
 10000,1024,84,3136,32523,112436,100000,4096,120,
 7056,122523,772683,1859020,1000000,16384,165,
 14400,387729,4002738,17735200,30756756,10000000,
 65536,220,27225,1074167]