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A148704 as a simple table

na(n)
01
11
23
37
423
573
6255
7895
83309
912311
1047361
11183183
12724733
132881317
1411647367
1547278907
16194370111
17801915951
183341949461
1913969919759
2058876304081
21248789702749
221058454456759
234513481955851
2419357097166219
2583185584301713
26359242498536387
271554197478964649
286752629753488099

[1,1,3,7,23,73,255,895,3309,12311,47361,183183,
 724733,2881317,11647367,47278907,194370111,
 801915951,3341949461,13969919759,58876304081,
 248789702749,1058454456759,4513481955851,
 19357097166219,83185584301713,359242498536387,
 1554197478964649,6752629753488099]