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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A138199 a(n) = 14^(2*n+1) + 3^(2*n+1).

Table of values

n a(n)
0 17
1 2771
2 538067
3 105415691
4 20661066467
5 4049565346811
6 793714774848467
7 155568095572161131
8 30491346729460336067
9 5976303958950076658651
10 1171355575953997682201267
11 229585692886981589625399371
12 44998795805848373961803836067
13 8819763977946281138070581903291

List of values

[17, 2771, 538067, 105415691, 20661066467, 4049565346811, 793714774848467, 155568095572161131, 30491346729460336067, 5976303958950076658651, 1171355575953997682201267, 229585692886981589625399371, 44998795805848373961803836067, 8819763977946281138070581903291]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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