A127763 Integer part of Gauss's Arithmetic-Geometric Mean M(2,n).

1, 2, 2, 2, 3, 3, 4, 4, 4, 5, 5, 5, 6, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9, 9, 10, 10, 10, 10, 11, 11, 11, 12, 12, 12, 12, 13, 13, 13, 14, 14, 14, 14, 15, 15, 15, 15, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 18, 19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 22, 22, 22, 23, 23, 23, 23, 24

Offset

1,2

Links

Table of n, a(n) for n=1..77.

Formula

a(n) ~ Pi*n/(2*log(2*n)). - Vaclav Kotesovec, May 09 2016

Mathematica

Table[Floor[ArithmeticGeometricMean[2, n]], {n, 1, 100}]

Crossrefs

Cf. A127758, A127759, A127760, A127761, A127762, A127764, A127765, A127766.

Sequence in context: A085182 A211339 A087739 * A057367 A032634 A057366

Adjacent sequences: A127760 A127761 A127762 * A127764 A127765 A127766

Keyword

nonn

Author

Artur Jasinski, Jan 28 2007

Status

approved