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A023123 Signature sequence of e (arrange the numbers i+j*x (i,j >= 1) in increasing order; the sequence of i's is the signature of x). 3
1, 2, 3, 1, 4, 2, 5, 3, 6, 1, 4, 7, 2, 5, 8, 3, 6, 9, 1, 4, 7, 10, 2, 5, 8, 11, 3, 6, 9, 1, 12, 4, 7, 10, 2, 13, 5, 8, 11, 3, 14, 6, 9, 1, 12, 4, 15, 7, 10, 2, 13, 5, 16, 8, 11, 3, 14, 6, 17, 9, 1, 12, 4, 15, 7, 18, 10, 2, 13, 5, 16, 8, 19, 11, 3, 14, 6, 17, 9, 20, 1, 12, 4, 15, 7, 18, 10, 21, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

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: A179548 A023119 A118276 * A023131 A026276 A152201

Adjacent sequences:  A023120 A023121 A023122 * A023124 A023125 A023126

KEYWORD

nonn

AUTHOR

Clark Kimberling

EXTENSIONS

The a(47) term was missing. Corrected by T. D. Noe, Aug 12 2008

STATUS

approved

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Last modified November 27 20:49 EST 2021. Contains 349395 sequences. (Running on oeis4.)