A037766 Base 5 digits are, in order, the first n terms of the periodic sequence with initial period 3,0,2,1.

3, 15, 77, 386, 1933, 9665, 48327, 241636, 1208183, 6040915, 30204577, 151022886, 755114433, 3775572165, 18877860827, 94389304136, 471946520683, 2359732603415, 11798663017077, 58993315085386, 294966575426933

Offset

1,1

Links

Table of n, a(n) for n=1..21.

Index entries for linear recurrences with constant coefficients, signature (5,0,0,1,-5).

Formula

G.f.: x*(3+2*x^2+x^3) / ( (x-1)*(5*x-1)*(1+x)*(x^2+1) ). - R. J. Mathar, May 02 2015

Mathematica

Table[FromDigits[PadRight[{}, n, {3, 0, 2, 1}], 5], {n, 30}] (* or *) LinearRecurrence[ {5, 0, 0, 1, -5}, {3, 15, 77, 386, 1933}, 30] (* Harvey P. Dale, May 28 2018 *)

Crossrefs

Sequence in context: A019477 A019478 A151327 * A037654 A074561 A026115

Adjacent sequences: A037763 A037764 A037765 * A037767 A037768 A037769

Keyword

nonn,base,easy

Author

Clark Kimberling

Status

approved