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A109743 as a simple table

na(n)
21
33
49
541
6231
71551
812037
9105861
101039539
1111268059
12133585089
131718984673
1423857531519
15355190381031
165646040979901
1795432906354621
181709068974897867
1932325104169244851
20643869687410800249
2113471540400560532889
22295384662114697463319

[1,3,9,41,231,1551,12037,105861,1039539,11268059,
 133585089,1718984673,23857531519,355190381031,
 5646040979901,95432906354621,1709068974897867,
 32325104169244851,643869687410800249,
 13471540400560532889,295384662114697463319]