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A118276 Signature sequence of Phi^2 = 2.618033989..., where Phi is the golden ratio (1 + sqrt(5))/2. +0
1
1, 2, 3, 1, 4, 2, 5, 3, 6, 1, 4, 7, 2, 5, 8, 3, 6, 1, 9, 4, 7, 2, 10, 5, 8, 3, 11, 6, 1, 9, 4, 12, 7, 2, 10, 5, 13, 8, 3, 11, 6, 14, 1, 9, 4, 12, 7, 15, 2, 10, 5, 13, 8, 16, 3, 11, 6, 14, 1, 9, 17, 4, 12, 7, 15, 2, 10, 18, 5, 13, 8, 16, 3, 11, 19, 6, 14, 1, 9, 17, 4, 12, 20, 7, 15, 2, 10, 18, 5, 13 (list; graph; listen)
OFFSET

1,2

COMMENT

Equals A023119 in the first 98 terms, then the sequences differ. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Aug 08 2008]

REFERENCES

C. Kimberling, "Fractal Sequences and Interspersions", Ars Combinatoria, vol. 45 p 157 1997.

LINKS

T. D. Noe, Table of n, a(n) for n=1..1000

Eric Weisstein's World of Mathematics, Signature Sequence

CROSSREFS

Cf. A084531, A084532.

Sequence in context: A023127 A125159 A023119 this_sequence A023123 A023131 A026276

Adjacent sequences: A118273 A118274 A118275 this_sequence A118277 A118278 A118279

KEYWORD

nonn

AUTHOR

Casey Mongoven (cm(AT)caseymongoven.com), Apr 21 2006

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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.


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