A037774 Base 6 digits are, in order, the first n terms of the periodic sequence with initial period 3,1,0,2.

3, 19, 114, 686, 4119, 24715, 148290, 889742, 5338455, 32030731, 192184386, 1153106318, 6918637911, 41511827467, 249070964802, 1494425788814, 8966554732887, 53799328397323, 322795970383938, 1936775822303630

Offset

1,1

Links

Table of n, a(n) for n=1..20.

Index entries for linear recurrences with constant coefficients, signature (7,-7,7,-6).

Formula

G.f.: x*(3-2*x+2*x^2) / ( (x-1)*(6*x-1)*(x^2+1) ). - R. J. Mathar, May 02 2015

Mathematica

With[{c=PadRight[{}, 20, {3, 1, 0, 2}]}, Table[FromDigits[Take[c, n], 6], {n, 20}]] (* Harvey P. Dale, Dec 18 2011 *)

Crossrefs

Sequence in context: A360230 A253811 A037154 * A037662 A116979 A351029

Adjacent sequences: A037771 A037772 A037773 * A037775 A037776 A037777

Keyword

nonn,base,easy

Author

Clark Kimberling

Status

approved