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 A094316 #6 Oct 15 2013 22:32:23 %S A094316 13,4133,1831343,2320583,3828673,9173893,23658377,24037537,42489677, %T A094316 56253203,78222863,96325093,99846337,110453773,110468653,117748427, %U A094316 122173187,130937467,138072163,146981537,174978913,184050553,186927817 %N A094316 Primes p for which 2^j+p^j is also prime for j in {0,2,8,512}. %e A094316 Smallest such prime is 13 and the relevant four primes are %e A094316 2, 173, 815730977 and a 571-digit prime. %t A094316 {ta=Table[0, {100}], u=1}; {exponents, {a, b, c, d}={0, 2, 8, 512}} Do[s0=Prime[j]^a+2^a;s1=Prime[j]^b+2^b;s2=Prime[j]^c+2^c;s3=Prime[j]^d+2^d; If[PrimeQ[s0]&&PrimeQ[s1]&&PrimeQ[s2]&&PrimeQ[s3], Print[{j, Prime[j]}];ta[[u]]=Prime[j];u=u+1], {j, 1, 1000000}] ta %Y A094316 Cf. A082101, A094473-A094499. %K A094316 nonn %O A094316 1,1 %A A094316 _Labos Elemer_, Jun 02 2004 %E A094316 a(6)-a(23) from _Donovan Johnson_, Oct 12 2008