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A159289 as a simple table

na(n)
05
121
295
3433
41975
59009
641095
7187457
8855095
93900561
1017792615
1181161953
12370224535
131688798769
147703544775
1535140126337
16160293542135
17731187458001
183335350205735
1915214376112673
2069401180151895
21316577148534129

[5,21,95,433,1975,9009,41095,187457,855095,
 3900561,17792615,81161953,370224535,1688798769,
 7703544775,35140126337,160293542135,731187458001,
 3335350205735,15214376112673,69401180151895,
 316577148534129]