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A026717 as a simple table

na(n)
21
39
459
5346
61931
710513
856478
9301128
101598424
118461783
1244720274
13236094725
141245579365
156568448233
1634627898410
17182517293169
18961887614156
195068804722664
2026709150033769
21140733080850141
22741514434266253

[1,9,59,346,1931,10513,56478,301128,1598424,
 8461783,44720274,236094725,1245579365,6568448233,
 34627898410,182517293169,961887614156,
 5068804722664,26709150033769,140733080850141,
 741514434266253]