A370658 Numbers k such that (3^k + 3*k)/3 is prime.
1, 2, 4, 16, 46, 118, 160, 3740, 3778, 9704, 10624, 21460
Offset: 1
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.
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