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A155597 as a simple table

na(n)
01
15
233
3209
41281
57745
646593
7279809
81679361
910077185
1060465153
11362795009
122176778241
1313060685825
1478364147713
15470184951809
162821109841921
1716926659313665
18101559956406273
19609359739486209
203656158439014401
2121936950638280705
22131621703838072833

[1,5,33,209,1281,7745,46593,279809,1679361,
 10077185,60465153,362795009,2176778241,
 13060685825,78364147713,470184951809,
 2821109841921,16926659313665,101559956406273,
 609359739486209,3656158439014401,
 21936950638280705,131621703838072833]