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.
%I A219035 #19 Nov 09 2023 20:03:09
%S A219035 1,2,3,5,6,9,10,25,98,122,153,190,258,511,549,1703,1790,1870,2418,
%T A219035 5226,5258,5626,8550,13174,16718,23669,25215,33447,182566,188286
%N A219035 Numbers k such that 3^k + 14 is prime.
%C A219035 a(31) > 2*10^5. - _Robert Price_, Sep 27 2013
%t A219035 Do[If[PrimeQ[3^n + 14], Print[n]], {n, 0, 10000}]
%o A219035 (PARI) is(n)=isprime(3^n+14) \\ _Charles R Greathouse IV_, Feb 17 2017
%Y A219035 Cf. Sequences of numbers k such that 3^k + m is prime:
%Y A219035 (m = 2) A051783, (m = -2) A014224, (m = 4) A058958, (m = -4) A058959,
%Y A219035 (m = 8) A217136, (m = -8) A217135, (m = 10) A217137, (m = -10) A217347,
%Y A219035 (m = 14) A219035, (m = -14) A219038, (m = 16) A205647, (m = -16) A219039,
%Y A219035 (m = 20) A219040, (m = -20) A219041, (m = 22) A219042, (m = -22) A219043,
%Y A219035 (m = 26) A219044, (m = -26) A219045, (m = 28) A219046, (m = -28) A219047,
%Y A219035 (m = 32) A219048, (m = -32) A219049, (m = 34) A219050, (m = -34) A219051. Note that if m is a multiple of 3, 3^k + m is also a multiple of 3 (for k greater than 0), and as such isn't prime.
%K A219035 nonn,more
%O A219035 1,2
%A A219035 _Nicolas M. Perrault_, Nov 10 2012
%E A219035 a(24)-a(30) from _Robert Price_, Sep 27 2013