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A023128 Signature sequence of 1/sqrt(6) (arrange the numbers i+j*x (i,j >= 1) in increasing order; the sequence of i's is the signature of x). 2
1, 1, 1, 2, 1, 2, 1, 2, 3, 1, 2, 3, 1, 2, 3, 1, 4, 2, 3, 1, 4, 2, 3, 1, 4, 2, 5, 3, 1, 4, 2, 5, 3, 1, 4, 2, 5, 3, 1, 6, 4, 2, 5, 3, 1, 6, 4, 2, 5, 3, 1, 6, 4, 2, 7, 5, 3, 1, 6, 4, 2, 7, 5, 3, 1, 6, 4, 2, 7, 5, 3, 1, 8, 6, 4, 2, 7, 5, 3, 1, 8, 6, 4, 2, 7, 5, 3, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

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

Sequence in context: A220694 A136314 A121997 * A237260 A249727 A023118

Adjacent sequences:  A023125 A023126 A023127 * A023129 A023130 A023131

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified December 2 13:48 EST 2021. Contains 349444 sequences. (Running on oeis4.)