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A279710 as a simple table

na(n)
14
25
311
422
547
6102
7224
8494
91089
102400
115289
1211661
1325718
1456728
15125125
16275973
17608663
181342423
192960792
206530255
2114402991
2231766847
2370063951
24154530760
25340828154
26751720173
271657971361
283656771426
298065263401
3017788497730

[4,5,11,22,47,102,224,494,1089,2400,5289,11661,
 25718,56728,125125,275973,608663,1342423,2960792,
 6530255,14402991,31766847,70063951,154530760,
 340828154,751720173,1657971361,3656771426,
 8065263401,17788497730]