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 A346368 #11 Jul 22 2021 04:57:17 %S A346368 5,7,9,11,23,27,29,33,41,47,53,57,59,65,71,83,95,107,113,123,143,149, %T A346368 161,197,233,239,257,281,287,317,323,347,383,407,413,443,449,569,743, %U A346368 773,785,863,1227,1367,1415,1703,1787,2123,2507,2933,3317,3515,3713,4673,5987,6797 %N A346368 Odd numbers that can be written in a single way as 2*k^2+p, k>0, p prime. %C A346368 The next element, if it exists, is greater than 10^8. %o A346368 (PARI) isok(m) = (m>3) && (m % 2) && (sum(i=1, sqrtint((m-3)/2), isprime(m-2*i^2)) == 1); \\ _Michel Marcus_, Jul 22 2021 %Y A346368 Cf. A060003, A046920, A046921, A046923, %K A346368 nonn %O A346368 1,1 %A A346368 _Bernard Pitie_, Jul 14 2021