A023131 Signature sequence of sqrt(8) (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, 9, 1, 4, 7, 10, 2, 5, 8, 11, 3, 6, 9, 12, 1, 4, 7, 10, 13, 2, 5, 8, 11, 14, 3, 6, 9, 12, 15, 1, 4, 7, 10, 13, 16, 2, 5, 8, 11, 14, 17, 3, 6, 9, 12, 15, 1, 18, 4, 7, 10, 13, 16, 2, 19, 5, 8, 11, 14, 17, 3, 20, 6, 9, 12, 15, 1, 18, 4

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: A023119 A118276 A023123 * A356625 A026276 A152201

Adjacent sequences: A023128 A023129 A023130 * A023132 A023133 A023134

Keyword

nonn

Author

Clark Kimberling

Status

approved