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 A127764 #11 Jul 26 2020 09:06:26
%S A127764 1,4,10,20,35,55,82,116,157,206,265,333,411,500,601,714,839,978,1130,
%T A127764 1298,1480,1678,1892,2123,2371,2637,2922,3225,3548,3892,4256,4641,
%U A127764 5047,5477,5928,6404,6903,7426,7974,8548,9148,9774,10427,11108,11816,12553
%N A127764 Integer part of Gauss's Arithmetic-Geometric Mean M(2,n^3).
%F A127764 a(n) ~ Pi*n^3/(6*log(n) + 2*log(2)). - _Vaclav Kotesovec_, May 09 2016
%t A127764 Table[Floor[ArithmeticGeometricMean[2, n^3]], {n, 1, 100}]
%Y A127764 Cf. A127758, A127759, A127760, A127761, A127762, A127763, A127765, A127766.
%K A127764 nonn
%O A127764 1,2
%A A127764 _Artur Jasinski_, Jan 28 2007