A144606 Christoffel word of slope 8/11.

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

Offset

0,1

Links

Table of n, a(n) for n=0..104.

Formula

a(n) = a(n-19). - R. J. Mathar, May 30 2025

G.f.: -x^2*(1+x^2+x^5+x^7+x^9+x^12+x^14+x^16) / ( (x-1)*(1+x+x^2+x^3+x^4+x^5+x^6+x^7+x^8+x^9+x^10+x^11+x^12+x^13+x^14+x^15+x^16+x^17+x^18) ). - R. J. Mathar, May 30 2025

Crossrefs

See A144595 for further details.

Sequence in context: A346218 A188037 A144598 * A060510 A327205 A219071

Adjacent sequences: A144603 A144604 A144605 * A144607 A144608 A144609

Keyword

nonn,easy

Author

N. J. A. Sloane, Jan 13 2009

Status

approved