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A368809 as a simple table

na(n)
11
241
31041
422193
5433801
68057625
7144762849
82540882465
943840779353
10746649798473
1112587443678705
12210491254232465
133496816762316713
1457778098654714361
15950391251581267073
1615574198350636963201
17254405750326548970361
184144508602760970898729
1967361936661916258817937

[1,41,1041,22193,433801,8057625,144762849,
 2540882465,43840779353,746649798473,
 12587443678705,210491254232465,3496816762316713,
 57778098654714361,950391251581267073,
 15574198350636963201,254405750326548970361,
 4144508602760970898729,67361936661916258817937]