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 A072386 #4 Aug 29 2016 19:00:54 %S A072386 2,11,281,21701,42923,72227,73037,78887,79697,100109,119891,122321, %T A072386 128981,138683,178697,1360631,1394831,1591841,1598951,1607051,1958591, %U A072386 1982891,2188811,2401031,2490941,2793071,3382733,3555443,3586853 %N A072386 Primes which can be represented as the sum of a triangular number and its reverse. %e A072386 11 is a term because it is prime and it is the sum of triangular number 10 and its reverse 01. %t A072386 Take[Select[Union[#+IntegerReverse[#]&/@Accumulate[Range[ 5000]]], PrimeQ],30] (* Requires Mathematica version 10 or later *) (* _Harvey P. Dale_, Aug 29 2016 *) %K A072386 base,nonn %O A072386 1,1 %A A072386 _Shyam Sunder Gupta_, Jul 20 2002