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 A373750 #4 Jun 24 2024 06:34:37 %S A373750 0,0,1,1,0,4,3,2,0,7,5,3,0,10,7,4,0,13,9,5,0,16,11,6,0,19,13,7,0,22, %T A373750 15,8,0,25,17,9,0,28,19,10,0,31,21,11,0,34,23,12,0,37,25,13,0,40,27, %U A373750 14,0,43,29,15,0,46,31,16,0,49,33,17,0,52,35,18,0,55 %N A373750 Middle terms of A373749. %p A373750 REM := (n, k) -> ifelse(k = 0, n, irem(n, k)): %p A373750 T := n -> local k; seq(REM(k^2, n), k = 0..n): %p A373750 seq(T(n)[iquo(n, 2) + 1], n = 0..73); %Y A373750 Cf. A373749. %K A373750 nonn %O A373750 0,6 %A A373750 _Peter Luschny_, Jun 23 2024