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 A242930 #32 Jul 13 2014 10:18:16 %S A242930 37,53,193,373,421,673,1061,2213,2753,3637,4481,5237,5413,7333,7541, %T A242930 8513,8737,9781,11393,12853,14401,15733,17761,19237,21121,25153,25537, %U A242930 27701,29537,34273,34721,39841,42533,47653,50593,51137 %N A242930 Primes of the form (k^2+7)/11. %C A242930 Also equal to primes p such that 11*p-7 is a perfect square. %H A242930 Chai Wah Wu, <a href="/A242930/b242930.txt">Table of n, a(n) for n = 1..1000</a> %o A242930 (Python) %o A242930 import sympy %o A242930 [(k**2+7)/11 for k in range(10**6) if sympy.ntheory.isprime((k**2+7)/11) & ((k**2+7)/11).is_integer()] %Y A242930 Cf. A154616, A002327, A066436. %K A242930 nonn %O A242930 1,1 %A A242930 _Chai Wah Wu_, Jul 10 2014