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 A232183 #10 Nov 20 2013 10:37:09 %S A232183 2,3,5,7,11,43,73,101,131,151,181,191,313,353,373,383,727,757,787,797, %T A232183 919,929,2141,2251,4253,4363,4583,6701,7211,7321,7541,8147,8923,9103, %U A232183 9323,9433,10301,10501,10601,11311,11411,12421,12721,12821,13331,13831,13931,14341,14741 %N A232183 Primes p such that p-R(p) is a square, where R = reversal of digits = A004086. %C A232183 This sequence includes the palindromic primes for which p-R(p)=0. See A080177 = (43,73,2141,2251,4253,4363,...) for the variant not including palindromes. %H A232183 Archimedes' Lab, <a href="http://www.archimedes-lab.org/numbers/Num24_69.html#43">What is special about this number? - 43</a>. %o A232183 (PARI) forprime(p=1,19999,issquare(p-A004086(p))&&print1(p",")) %K A232183 nonn,base %O A232183 1,1 %A A232183 _M. F. Hasler_, Nov 20 2013