A037501 Base 8 digits are, in order, the first n terms of the periodic sequence with initial period 1,0,2.

1, 8, 66, 529, 4232, 33858, 270865, 2166920, 17335362, 138682897, 1109463176, 8875705410, 71005643281, 568045146248, 4544361169986, 36354889359889, 290839114879112, 2326712919032898

Offset

1,2

Links

Table of n, a(n) for n=1..18.

Index entries for linear recurrences with constant coefficients, signature (8,0,1,-8).

Formula

G.f.: x*(1+2*x^2) / ( (x-1)*(8*x-1)*(1+x+x^2) ). - R. J. Mathar, Apr 27 2015

Crossrefs

Sequence in context: A218927 A303485 A121778 * A037678 A190331 A162758

Adjacent sequences: A037498 A037499 A037500 * A037502 A037503 A037504

Keyword

nonn,base,easy

Author

Clark Kimberling

Status

approved