A037741 Base 8 digits are, in order, the first n terms of the periodic sequence with initial period 2,1,3,0.

2, 17, 139, 1112, 8898, 71185, 569483, 4555864, 36446914, 291575313, 2332602507, 18660820056, 149286560450, 1194292483601, 9554339868811, 76434718950488, 611477751603906, 4891822012831249

Offset

1,1

Links

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

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

Formula

G.f.: ( x*(2+x+3*x^2) ) / ( (x-1)*(8*x-1)*(1+x)*(x^2+1) ). - R. J. Mathar, Oct 14 2015

Mathematica

Table[FromDigits[PadRight[{}, n, {2, 1, 3, 0}], 8], {n, 20}] (* or *) LinearRecurrence[{8, 0, 0, 1, -8}, {2, 17, 139, 1112, 8898}, 20] (* Harvey P. Dale, Mar 16 2016 *)

Crossrefs

Sequence in context: A026941 A037493 A037573 * A037636 A163066 A110815

Adjacent sequences: A037738 A037739 A037740 * A037742 A037743 A037744

Keyword

nonn,base

Author

Clark Kimberling

Status

approved