# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a234362 Showing 1-1 of 1 %I A234362 #5 Dec 27 2013 14:10:00 %S A234362 0,1,5,16,35,65,106,161,231,318,425,551,700,872,1069,1293,1545,1827, %T A234362 2140,2486,2866,3281,3734,4225,4755,5327,5942,6601,7306,8057,8856, %U A234362 9706,10606,11558,12565,13626,14744,15919,17154,18449,19805,21225,22709,24259,25876,27561 %N A234362 Floor(AGM(n^2, n^3)), where AGM denotes the arithmetic-geometric mean. %o A234362 (Python) %o A234362 import math %o A234362 for n in range(67): %o A234362 x = n*n %o A234362 y = x*n %o A234362 a = (x+y)*0.5 %o A234362 g = math.sqrt(x*y) %o A234362 while abs(a-g)>0.00000000001: %o A234362 x = a %o A234362 y = g %o A234362 a = (x+y)*0.5 %o A234362 g = math.sqrt(x*y) %o A234362 print str(int(a))+',', %Y A234362 Cf. A000290, A000578, A061979, A076145, A234363. %K A234362 nonn %O A234362 0,3 %A A234362 _Alex Ratushnyak_, Dec 24 2013 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE