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 A064929 #13 Jul 02 2025 23:18:02
%S A064929 0,1,6,21,14,20,33,10,15,2,16,3,4,11,29,31,43,22,53,46,24,39,36,78,7,
%T A064929 9,52,23,44,30,41,12,13,56,19,48,26,37,34,80,5,35,18,57,42,28,91,38,
%U A064929 27,47,64,88,119,168,70,63,71,17,8,61,83,100,94,40,58,73,123,101,85,50
%N A064929 Square of A034175 considered as a permutation of the nonnegative integers (which it is conjectured to be).
%H A064929 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>
%t A064929 a[0]=b[0]=0; lst={0}; For[n=1, n<250, n++, For[s=Ceiling[Sqrt[a[n-1]]], MemberQ[lst, s^2-a[n-1]], s++, Null]; b[a[n]=s^2-a[n-1]]=n; AppendTo[lst, a[n]]]; Table[a[a[n]], {n, 0, 100}]
%Y A064929 Cf. A034175.
%K A064929 nonn,easy
%O A064929 0,3
%A A064929 _Dean Hickerson_, Oct 14 2001