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A023125 Signature sequence of 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, 2, 3, 4, 5, 6, 7, 8, 1, 9, 2, 10, 3, 11, 4, 12, 5, 13, 6, 14, 7, 15, 8, 1, 16, 9, 2, 17, 10, 3, 18, 11, 4, 19, 12, 5, 20, 13, 6, 21, 14, 7, 22, 15, 8, 23, 1, 16, 9, 24, 2, 17, 10, 25, 3, 18, 11, 26, 4, 19, 12, 27, 5, 20, 13, 28, 6, 21, 14, 29, 7, 22, 15, 30, 8, 23, 1, 16 (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: A053830 A033929 A025482 * A319657 A255594 A030108

Adjacent sequences:  A023122 A023123 A023124 * A023126 A023127 A023128

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified September 15 04:05 EDT 2019. Contains 327062 sequences. (Running on oeis4.)