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).

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

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: A309026 A160986 A287867 * A329129 A160985 A167968

Adjacent sequences: A023123 A023124 A023125 * A023127 A023128 A023129

Keyword

nonn

Author

Clark Kimberling

Status

approved