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A061723 Floor of arithmetic-geometric mean of n and 2*n-1. +0
1
0, 1, 2, 3, 5, 6, 8, 9, 11, 12, 14, 15, 17, 18, 19, 21, 22, 24, 25, 27, 28, 30, 31, 33, 34, 35, 37, 38, 40, 41, 43, 44, 46, 47, 49, 50, 52, 53, 54, 56, 57, 59, 60, 62, 63, 65, 66, 68, 69, 70, 72, 73, 75, 76, 78, 79, 81, 82, 84, 85, 86, 88, 89, 91, 92, 94, 95, 97, 98, 100, 101 (list; graph; listen)
OFFSET

0,3

PROGRAM

(PARI) a(n)=if(n<0, 0, floor(agm(n, 2*n-1)))

CROSSREFS

Sequence in context: A026428 A030704 A061054 this_sequence A045506 A007494 A052490

Adjacent sequences: A061720 A061721 A061722 this_sequence A061724 A061725 A061726

KEYWORD

easy,nonn

AUTHOR

Jason Earls (zevi_35711(AT)yahoo.com), Jun 26 2001

page 1

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Last modified September 6 00:03 EDT 2008. Contains 143485 sequences.


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