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A146275 as a simple table

na(n)
11
21
33
45
59
621
793
8381
91551
107459
1156347
12473995
134321181
1446467441
15656149111
1610982021937
17211884167843
184855692779387
19137589956676037
204668303218338689
21186691871576131219
228904751201199219747
23514295038831216408667

[1,1,3,5,9,21,93,381,1551,7459,56347,473995,
 4321181,46467441,656149111,10982021937,
 211884167843,4855692779387,137589956676037,
 4668303218338689,186691871576131219,
 8904751201199219747,514295038831216408667]