The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A234369 Floor(AGM(1, triangular(n))), where AGM denotes the arithmetic-geometric mean. 0
 0, 1, 1, 2, 4, 5, 7, 9, 11, 13, 16, 18, 21, 24, 27, 30, 33, 37, 41, 44, 48, 53, 57, 61, 66, 71, 76, 81, 86, 91, 97, 102, 108, 114, 120, 126, 132, 139, 145, 152, 159, 166, 173, 180, 187, 195, 202, 210, 218, 226, 234, 242, 251, 259, 268, 277, 286, 295, 304, 313, 323, 332 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,4 LINKS Table of n, a(n) for n=0..61. 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 Cf. A000217, A127758, A234363, A234368. Sequence in context: A185546 A066026 A112671 * A056838 A045922 A258049 Adjacent sequences: A234366 A234367 A234368 * A234370 A234371 A234372 KEYWORD nonn AUTHOR Alex Ratushnyak, Dec 25 2013 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified February 21 05:17 EST 2024. Contains 370219 sequences. (Running on oeis4.)