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A023129 Signature sequence of sqrt(e). +0
2
1, 2, 1, 3, 2, 4, 1, 3, 5, 2, 4, 1, 6, 3, 5, 2, 7, 4, 1, 6, 3, 8, 5, 2, 7, 4, 9, 1, 6, 3, 8, 5, 10, 2, 7, 4, 9, 1, 6, 11, 3, 8, 5, 10, 2, 7, 12, 4, 9, 1, 6, 11, 3, 8, 13, 5, 10, 2, 7, 12, 4, 9, 14, 1, 6, 11, 3, 8, 13, 5, 10, 15, 2, 7, 12, 4, 9, 14, 1, 6, 11, 16, 3, 8, 13, 5, 10, 15, 2 (list; graph; listen)
OFFSET

1,2

COMMENT

Arrange the numbers i+j*x (i,j >= 1) in increasing order; the sequence of i's is the signature of x.

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

C. Kimberling, Interspersions

CROSSREFS

Adjacent sequences: A023126 A023127 A023128 this_sequence A023130 A023131 A023132

Sequence in context: A087470 A158456 A084531 this_sequence A007337 A056892 A136523

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified November 9 12:23 EST 2009. Contains 166233 sequences.


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