cp's OEIS Frontend

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.

A376850 Numbers k such that 85^k - 2 is prime.

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%I A376850 #7 Oct 10 2024 00:39:14
%S A376850 1,4,10,29,44,381,565,5478,6423,15484,32773
%N A376850 Numbers k such that 85^k - 2 is prime.
%C A376850 Dedicated to _N. J. A. Sloane_ for his 85th birthday!
%o A376850 (Python)
%o A376850 from sympy import isprime
%o A376850 def ok(n): return isprime(85**n - 2)
%o A376850 print([k for k in range(600) if ok(k)])
%Y A376850 Cf. A248546, A376910.
%K A376850 nonn,more
%O A376850 1,2
%A A376850 _Michael S. Branicky_, Oct 10 2024