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A127760
Integer part of Gauss's Arithmetic-Geometric Mean M(1,n^4).
9
1, 6, 22, 58, 125, 238, 411, 663, 1012, 1482, 2094, 2875, 3852, 5052, 6508, 8250, 10314, 12735, 15550, 18798, 22521, 26760, 31559, 36965, 43023, 49783, 57296, 65612, 74786, 84873, 95929, 108011, 121181, 135498, 151026, 167829, 185971
OFFSET
1,2
FORMULA
a(n) ~ Pi*n^4/(8*log(n) + 4*log(2)). - Vaclav Kotesovec, May 09 2016
MATHEMATICA
Table[Floor[ArithmeticGeometricMean[1, n^4]], {n, 1, 100}]
CROSSREFS
KEYWORD
nonn
AUTHOR
Artur Jasinski, Jan 28 2007
STATUS
approved