A144597 Christoffel word of slope 3/7.

0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0

Offset: 0

Author

N. J. A. Sloane, Jan 13 2009

Keywords

• nonn

Comments

Periodic with period 10: repeat (0, 0, 0, 1, 0, 0, 1, 0, 0, 1). - M. F. Hasler, Oct 07 2016

Crossrefs

See A144595 for further details.

Differs from A125117 from a(102) on.

Programs

PARI

A144597(n)=(n%=10)&&!(n%3) \\ M. F. Hasler, Oct 07 2016