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A127766
Integer part of Gauss's Arithmetic-Geometric Mean M(2,n^5).
4
1, 12, 61, 210, 561, 1265, 2532, 4641, 7941, 12868, 19946, 29796, 43144, 60828, 83804, 113155, 150095, 195980, 252310, 320738, 403077, 501308, 617581, 754227, 913762, 1098894, 1312530, 1557780, 1837964, 2156622, 2517514, 2924630, 3382196
OFFSET
1,2
FORMULA
a(n) ~ Pi*n^5/(10*log(n) + 2*log(2)). - Vaclav Kotesovec, May 09 2016
MATHEMATICA
Table[Floor[ArithmeticGeometricMean[2, n^5]], {n, 1, 100}]
KEYWORD
nonn
AUTHOR
Artur Jasinski, Jan 28 2007
STATUS
approved