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 A333185 #15 Mar 14 2020 05:05:57 %S A333185 2,6,9,940 %N A333185 Numbers k such that k^k is the average of its nearest 2 primes. %F A333185 A333184(a(n)) = 0. %F A333185 A074966(a(n)) = A074967(a(n)). %e A333185 Previous P k^k Next P %e A333185 a(n) A098681(a(n)) A000312(a(n)) A098682(a(n)) %e A333185 2 3 4 5 %e A333185 6 46649 46656 46663 %e A333185 9 387420479 387420489 387420499 %e A333185 940 940^940-3063 940^940 940^940+3063 %o A333185 (PARI) isok(k) = if (k>1, my(x=k^k); precprime(x-1)+nextprime(x+1) == 2*x); \\ _Michel Marcus_, Mar 14 2020 %Y A333185 Cf. A000312, A074966, A074967, A098681, A098682, A161503, A333184. %K A333185 nonn,bref,hard,more %O A333185 1,1 %A A333185 _Hugo Pfoertner_, Mar 11 2020