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A055810 as a simple table

na(n)
51
631
780
8160
9280
10450
11681
12985
131375
141865
152470
163206
174090
185140
196375
207815
219481
2211395
2313580
2416060
2518860
2622006
2725525
2829445
2933795
3038605
3143906
3249730
3356110
3463080
3570675
3678931
3787885
3897575

[1,31,80,160,280,450,681,985,1375,1865,2470,3206,
 4090,5140,6375,7815,9481,11395,13580,16060,18860,
 22006,25525,29445,33795,38605,43906,49730,56110,
 63080,70675,78931,87885,97575]