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 A077022 #22 Jan 14 2023 08:44:39 %S A077022 1,6,17,11156,16548 %N A077022 Values of k such that sum of first k primes squared is divisible by k-th prime. %C A077022 Numbers k such that A072004(k) = 0. %C A077022 a(6) > 10^11. - _Giovanni Resta_, Mar 07 2013 %e A077022 6 is a term because A024450(6)/prime(6) = 29; %e A077022 17 is a term because A024450(17)/prime(17) = 284; %e A077022 11156 is a term because A024450(11156)/prime(11156) = 410066261; %e A077022 16548 is a term because A024450(16548)/prime(16548) = 941945317. %t A077022 Module[{nn=17000,prs},prs=Accumulate[Prime[Range[nn]]^2];Select[Range[ nn],Divisible[prs[[#]],Prime[#]]&]] (* _Harvey P. Dale_, Nov 23 2013 *) %Y A077022 Cf. A024450, A072004, A077023. %K A077022 nonn,more %O A077022 1,2 %A A077022 _Randy L. Ekl_ and _Zak Seidov_, Oct 17 2002