A037643 Base 8 digits are, in order, the first n terms of the periodic sequence with initial period 2,3,1.

2, 19, 153, 1226, 9811, 78489, 627914, 5023315, 40186521, 321492170, 2571937363, 20575498905, 164603991242, 1316831929939, 10534655439513, 84277243516106, 674217948128851, 5393743585030809

Offset

1,1

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*(x+2)*(1+x) / ( (x-1)*(8*x-1)*(1+x+x^2) ). - R. J. Mathar, Nov 21 2011

Crossrefs

Sequence in context: A037748 A037629 A037755 * A198312 A057858 A065898

Adjacent sequences: A037640 A037641 A037642 * A037644 A037645 A037646

Keyword

nonn,base

Author

Clark Kimberling

Status

approved