A037739 Base 6 digits are, in order, the first n terms of the periodic sequence with initial period 2,1,3,0.

2, 13, 81, 486, 2918, 17509, 105057, 630342, 3782054, 22692325, 136153953, 816923718, 4901542310, 29409253861, 176455523169, 1058733139014, 6352398834086, 38114393004517, 228686358027105, 1372118148162630

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*(2+x+3*x^2) ) / ( (x-1)*(6*x-1)*(1+x)*(x^2+1) ). - R. J. Mathar, Oct 14 2015

Mathematica

nn=20; With[{c=PadRight[{}, nn, {2, 1, 3, 0}]}, Table[FromDigits[Take[c, n], 6], {n, nn}]] (* Harvey P. Dale, Jul 16 2012 *)

Crossrefs

Sequence in context: A335700 A246383 A189087 * A037634 A074581 A020059

Adjacent sequences: A037736 A037737 A037738 * A037740 A037741 A037742

Keyword

nonn,base

Author

Clark Kimberling

Status

approved