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 A114066 #9 Jan 09 2014 11:20:59 %S A114066 5,503,9229,53132,1077614,5673932,12335313,18002978,89720978,93036654, %T A114066 133588773,167057609,200368277,266488037,270168848,300988608, %U A114066 379786284,693620392,954150797,1585905060,1957585697,2039039592,2280501932 %N A114066 n plus the n-th prime gives a fourth power. %e A114066 5 + prime(5) = 5 + 11 = 16 = 2^4. %e A114066 12335313 + prime(12335313) = 236421376 = 124^4. %o A114066 (PARI) isok(n) = ispower(n+prime(n), 4); \\ _Michel Marcus_, Jan 08 2014 %Y A114066 Cf. A014688, subsequence of A064371. %K A114066 nonn %O A114066 1,1 %A A114066 _Giovanni Resta_, Feb 13 2006 %E A114066 a(11)-a(23) from _Donovan Johnson_, Jul 02 2010