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A263586 as a simple table

na(n)
11
26
34
412
5134
618
731
81992
93035
1070
1189
1227650
13145151
1469084
15292
16230
17343431
188296414
1914088801
201643235
211212
22536
233777963
24479355276
253822509358
261544467524
2738562523
285028
291171
3038762619
3124453863816
321035523589834

[1,6,4,12,134,18,31,1992,3035,70,89,27650,145151,
 69084,292,230,343431,8296414,14088801,1643235,
 1212,536,3777963,479355276,3822509358,1544467524,
 38562523,5028,1171,38762619,24453863816,
 1035523589834]