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A011769 as a simple table

na(n)
01
13
27
319
451
5141
6393
71107
83139
98955
1025675
1173945
12213825
13620595
141807263
155279283
1615465139
1745420261
18133708777
19394446691
201165855131
213451793403
2210235554347
2330392965809
2490357645121
25268922897571
26801139867063
272388683219347
287127469430899

[1,3,7,19,51,141,393,1107,3139,8955,25675,73945,
 213825,620595,1807263,5279283,15465139,45420261,
 133708777,394446691,1165855131,3451793403,
 10235554347,30392965809,90357645121,268922897571,
 801139867063,2388683219347,7127469430899]