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A025565 as a simple table

na(n)
11
22
34
410
526
670
7192
8534
91500
104246
1112092
1234606
1399442
14286730
15829168
162403834
176984234
1820331558
1959287740
20173149662
21506376222
221482730098
234346486256
2412754363650
2537461564504
26110125172682
27323990062452
28953883382354

[1,2,4,10,26,70,192,534,1500,4246,12092,34606,
 99442,286730,829168,2403834,6984234,20331558,
 59287740,173149662,506376222,1482730098,
 4346486256,12754363650,37461564504,110125172682,
 323990062452,953883382354]