A037760 Base 6 digits are, in order, the first n terms of the periodic sequence with initial period 3,0,1,2.

3, 18, 109, 656, 3939, 23634, 141805, 850832, 5104995, 30629970, 183779821, 1102678928, 6616073571, 39696441426, 238178648557, 1429071891344, 8574431348067, 51446588088402, 308679528530413, 1852077171182480

Offset

1,1

Links

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

Index entries for linear recurrences with constant coefficients, signature (6,0,0,1,-6).

Formula

G.f.: x*(3+x^2+2*x^3) / ( (x-1)*(6*x-1)*(1+x)*(x^2+1) ). - R. J. Mathar, May 04 2015

Crossrefs

Sequence in context: A363439 A132900 A050623 * A037648 A036724 A037767

Adjacent sequences: A037757 A037758 A037759 * A037761 A037762 A037763

Keyword

nonn,base,easy

Author

Clark Kimberling

Status

approved