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A023126 Signature sequence of 1/e^2 (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, 1, 1, 1, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 3, 1, 2, 3, 1, 2, 3, 1, 2, 3, 1, 2, 3, 1, 2, 3, 1, 2, 3, 1, 2, 3, 1, 4, 2, 3, 1, 4, 2, 3, 1, 4, 2, 3, 1, 4, 2, 3, 1, 4, 2, 3, 1, 4, 2, 3, 1, 4, 2, 3, 1, 4, 2, 5, 3, 1, 4, 2, 5, 3, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,9

REFERENCES

C. Kimberling, "Fractal Sequences and Interspersions", Ars Combinatoria, vol. 45 pp. 157-168, 1997.

LINKS

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

C. Kimberling, Interspersions

CROSSREFS

Sequence in context: A230773 A160986 A287867 * A160985 A167968 A161239

Adjacent sequences:  A023123 A023124 A023125 * A023127 A023128 A023129

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified February 22 05:17 EST 2019. Contains 320385 sequences. (Running on oeis4.)