A023119 Signature sequence of sqrt(7) (arrange the numbers i+j*x (i,j >= 1) in increasing order; the sequence of i's is the signature of x).

1, 2, 3, 1, 4, 2, 5, 3, 6, 1, 4, 7, 2, 5, 8, 3, 6, 1, 9, 4, 7, 2, 10, 5, 8, 3, 11, 6, 1, 9, 4, 12, 7, 2, 10, 5, 13, 8, 3, 11, 6, 14, 1, 9, 4, 12, 7, 15, 2, 10, 5, 13, 8, 16, 3, 11, 6, 14, 1, 9, 17, 4, 12, 7, 15, 2, 10, 18, 5, 13, 8, 16, 3, 11, 19, 6, 14, 1, 9, 17, 4, 12, 20, 7, 15, 2

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

Index entries for sequences related to signature sequences

Crossrefs

Cf. A010465.

Sequence in context: A023127 A125159 A179548 * A118276 A023123 A023131

Adjacent sequences: A023116 A023117 A023118 * A023120 A023121 A023122

Keyword

nonn

Author

Clark Kimberling

Status

approved