A167911 Differences between consecutive non-single (or nonisolated) numbers A167707.

1, 2, 2, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1

Offset

1,2

Links

Table of n, a(n) for n=1..105.

Formula

a(n) = A167707(n+1) - A167707(n). - Jason Yuen, Oct 08 2024

Example

a(1)=1-0=1, a(2)=3-1=2, a(3)=5-3=2, a(4)=7-5=2, a(5)=8-7=1.

Crossrefs

Cf. A167707.

Sequence in context: A088496 A036602 A176166 * A037804 A316894 A362933

Adjacent sequences: A167908 A167909 A167910 * A167912 A167913 A167914

Keyword

nonn

Author

Juri-Stepan Gerasimov, Nov 15 2009

Extensions

Entries checked by R. J. Mathar, May 30 2010

Status

approved