A037776 Base 8 digits are, in order, the first n terms of the periodic sequence with initial period 3,1,0,2.

3, 25, 200, 1602, 12819, 102553, 820424, 6563394, 52507155, 420057241, 3360457928, 26883663426, 215069307411, 1720554459289, 13764435674312, 110115485394498, 880923883155987, 7047391065247897

Offset

1,1

Links

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

Index entries for linear recurrences with constant coefficients, signature (9,-9,9,-8).

Formula

G.f.: x*(3-2*x+2*x^2) / ( (x-1)*(8*x-1)*(x^2+1) ). - R. J. Mathar, May 02 2015

Mathematica

Table[FromDigits[PadRight[{}, n, {3, 1, 0, 2}], 8], {n, 20}] (* or *) LinearRecurrence[{9, -9, 9, -8}, {3, 25, 200, 1602}, 20] (* Harvey P. Dale, Jul 17 2023 *)

Crossrefs

Sequence in context: A356200 A221777 A227995 * A037664 A289164 A037783

Adjacent sequences: A037773 A037774 A037775 * A037777 A037778 A037779

Keyword

nonn,base,easy

Author

Clark Kimberling

Status

approved