A037662 Base 6 digits are, in order, the first n terms of the periodic sequence with initial period 3,1,0.

3, 19, 114, 687, 4123, 24738, 148431, 890587, 5343522, 32061135, 192366811, 1154200866, 6925205199, 41551231195, 249307387170, 1495844323023, 8975065938139, 53850395628834, 323102373773007, 1938614242638043

Offset

1,1

Links

Table of n, a(n) for n=1..20.

Index entries for linear recurrences with constant coefficients, signature (6,0,1,-6).

Formula

G.f.: x*(3+x) / ( (x-1)*(6*x-1)*(1+x+x^2) ). - R. J. Mathar, Apr 30 2015

Crossrefs

Sequence in context: A253811 A037154 A037774 * A116979 A351029 A267802

Adjacent sequences: A037659 A037660 A037661 * A037663 A037664 A037665

Keyword

nonn,base,easy

Author

Clark Kimberling

Status

approved