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 A350864 #26 Mar 09 2022 01:15:09
%S A350864 1,4,6,12,14,15,21,22,24,27,28,30,33,35,38,39,42,44,46,48,51,54,55,56,
%T A350864 57,60,62,63,66,69,70,75,76,77,78,84,86,87,88,91,92,93,94,95,96,99,
%U A350864 102,105,108,110,111,112,114,115,118,119,120,123,124,126,129,132
%N A350864 Nonprimes that are not the sum of 2 nonzero squares.
%C A350864 a(1) = 1 and a(2) = 4 are squares, but are not the sum of two nonzero squares. If zero were allowed, then 1 and 4 would not be terms, since 1 = 1 + 0 and 4 = 4 + 0.
%t A350864 a[n_] := Complement[Table[m, {m, 1, n}], Table[Prime[m], {m, 1, PrimePi[n]}], Select[Range[5, n], SquaresR[2, #] != 0 &]]; a[132]
%Y A350864 Intersection of A018252 and A018825.
%Y A350864 Cf. A001481.
%K A350864 nonn
%O A350864 1,2
%A A350864 _Robert P. P. McKone_, Jan 19 2022