A037633 Base 5 digits are, in order, the first n terms of the periodic sequence with initial period 2,1,3.

2, 11, 58, 292, 1461, 7308, 36542, 182711, 913558, 4567792, 22838961, 114194808, 570974042, 2854870211, 14274351058, 71371755292, 356858776461, 1784293882308, 8921469411542, 44607347057711, 223036735288558, 1115183676442792

Offset

1,1

Links

Table of n, a(n) for n=1..22.

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

Formula

G.f.: x*(2+x+3*x^2) / ( (x-1)*(5*x-1)*(1+x+x^2) ). - R. J. Mathar, Apr 29 2015

Crossrefs

Sequence in context: A164581 A054130 A037738 * A241103 A162771 A020057

Adjacent sequences: A037630 A037631 A037632 * A037634 A037635 A037636

Keyword

nonn,base,easy

Author

Clark Kimberling

Status

approved