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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.

A136002 Numbers that are not the sum, minus 1, of a Pythagorean triple.

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%I A136002 #9 Oct 20 2024 03:35:00
%S A136002 1,2,3,4,5,6,7,8,9,10,12,13,14,15,16,17,18,19,20,21,22,24,25,26,27,28,
%T A136002 30,31,32,33,34,36,37,38,40,41,42,43,44,45,46,48,49,50,51,52,53,54,56,
%U A136002 57,58,60,61,62,63,64,65,66,67,68,70,72,73,74,75,76,77,78,80,81,82,84
%N A136002 Numbers that are not the sum, minus 1, of a Pythagorean triple.
%C A136002 Numbers that are not in A136000.
%H A136002 Amiram Eldar, <a href="/A136002/b136002.txt">Table of n, a(n) for n = 1..10000</a>
%t A136002 q[n_] := EvenQ[n] || Module[{d = Divisors[(n+1)/2]}, AllTrue[Range[3, Length[d]], d[[#]] >= 2 * d[[#-1]] &]]; Select[Range[100], q] (* _Amiram Eldar_, Oct 19 2024 *)
%Y A136002 Cf. A009096, A010814, A136000.
%K A136002 nonn
%O A136002 1,2
%A A136002 _Omar E. Pol_, Dec 15 2007
%E A136002 Extended by _Ray Chandler_, Dec 13 2008