OFFSET
0,4
FORMULA
a(n) ~ Pi*n^2/(8*log(n) + 4*log(2)). - Vaclav Kotesovec, May 09 2016
MATHEMATICA
Table[Floor[ArithmeticGeometricMean[1, n*(n+1)/2]], {n, 0, 100}] (* Vaclav Kotesovec, May 09 2016 *)
Floor[ArithmeticGeometricMean[1, #]]&/@Accumulate[Range[0, 100]] (* Harvey P. Dale, Nov 01 2022 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Alex Ratushnyak, Dec 25 2013
STATUS
approved