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 A366205 #16 Oct 06 2023 10:41:50 %S A366205 6870,25800,38238,125508,128112,220512,372612,3245688,4286748, %T A366205 15433968,19659138,23283852,23494650,23579262,26233368,32131272, %U A366205 32380728,34775988,41299848,58705260,61470132,63588432,63873960,91649652,92774808,106956252,124336212,159723300 %N A366205 Average of a twin prime pair which is the sum of the first k primes, for some k. %H A366205 Paolo Xausa, <a href="/A366205/b366205.txt">Table of n, a(n) for n = 1..5000</a> %F A366205 a(n) = A007504(A366206(n)). %t A366205 With[{upto=10^4},Select[Accumulate[Prime[Range[upto]]],PrimeQ[#-1]&&PrimeQ[#+1]&]] %Y A366205 Intersection of A007504 with A014574. %Y A366205 Cf. A346706, A366094, A366206 (corresponding k values). %K A366205 nonn %O A366205 1,1 %A A366205 _Paolo Xausa_, Oct 04 2023