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.

A093794 Numbers n such that 8^n+7^(n-1) is prime.

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%I A093794 #10 Feb 17 2017 11:57:25
%S A093794 2,14,30,56,96,192,200,462,540,1400,2756,9030,99702
%N A093794 Numbers n such that 8^n+7^(n-1) is prime.
%C A093794 a(14) > 10^5. - _Robert Price_, Feb 18 2016
%e A093794 14 is a member since 814+712 = 4494935521511 which is a prime number.
%t A093794 Do[ If[ PrimeQ[8^n + 7^(n - 1)], Print[n]], {n, 4000}]
%o A093794 (PARI) is(n)=isprime(8^n+7^(n-1)) \\ _Charles R Greathouse IV_, Feb 17 2017
%Y A093794 Cf. A082103, A093717, A093793, A093765, A096185, A093794, A093795, A096186.
%K A093794 nonn
%O A093794 1,1
%A A093794 Herman H. Rosenfeld (herm3(AT)pacbell.net), May 18 2004
%E A093794 More terms from _Robert G. Wilson v_, Jun 18 2004
%E A093794 a(12)-a(13) from _Robert Price_, Feb 18 2016