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 A076145 #6 Sep 30 2012 13:55:03 %S A076145 1,2,5,8,13,17,23,28,35,42,50,58,67,76,86,96,107,118,130,143,156,169, %T A076145 183,198,213,228,244,260,277,295,313,331,350,369,389,409,430,451,473, %U A076145 495,517,540,564,588,612,637,662,688,714,741,768,795,823,852,880,910 %N A076145 Floor of arithmetic-geometric mean of n and n^2. %C A076145 Floor of arithmetic-geometric mean of n and prime(n) = A061979(n). %t A076145 Array[Floor[ArithmeticGeometricMean[#,#^2]]&,60] (* _Harvey P. Dale_, Sep 30 2012 *) %Y A076145 Cf. A061979. %K A076145 nonn %O A076145 1,2 %A A076145 _Zak Seidov_, Nov 02 2002