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 A201613 #18 Oct 30 2018 10:31:02 %S A201613 43,59,67,107,139,251,307,347,379,547,587,859,1699,1867,1931,3371, %T A201613 3499,3739,4507,5059,5347,6907,6971,7451,10091,10627,10667,11467, %U A201613 12491,18787,20411,21227,22907,29947,32059,32779,37547,38651,39619,49307,49747,53147,55787 %N A201613 Primes of the form p^2 + 2q^2 with p and q odd primes. %C A201613 One of primes p, q must be 3, hence we have two sets of primes: 9+2*p^2 and p^2+18 with p > 3. %C A201613 Note that if we allow 2 for p or q then there is another "set" of primes of the form p^2+8 (q=2) with odd prime p -- this set contains only the prime 17=3^2+8. %H A201613 Charles R Greathouse IV, <a href="/A201613/b201613.txt">Table of n, a(n) for n = 1..10000</a> %e A201613 43=5^2+2*3^2, 59=3^2+2*5^2, 67=7^2+2*3^2. %o A201613 (PARI) list(lim)=my(v=List(),t); forprime(p=5,sqrtint(lim\1-18), if(isprime(t=p^2+18), listput(v,t))); forprime(q=5,sqrtint((lim-9)\2), if(isprime(t=2*q^2+9), listput(v,t))); Set(v) \\ _Charles R Greathouse IV_, Aug 26 2015 %Y A201613 Subsequence of A260553 and of A154777. %K A201613 nonn %O A201613 1,1 %A A201613 _Zak Seidov_, Dec 03 2011 %E A201613 Corrected by _Charles R Greathouse IV_, Aug 26 2015