A037676 Base-6 digits are, in order, the first n terms of the periodic sequence with initial period 1,0,2,3.

1, 6, 38, 231, 1387, 8322, 49934, 299607, 1797643, 10785858, 64715150, 388290903, 2329745419, 13978472514, 83870835086, 503225010519, 3019350063115, 18116100378690, 108696602272142, 652179613632855, 3913077681797131

Offset

1,2

Links

Table of n, a(n) for n=1..21.

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

Formula

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

Mathematica

nn=30; With[{c=PadRight[{}, nn, {1, 0, 2, 3}]}, Table[FromDigits[Take[c, i], 6], {i, nn}]] (* Harvey P. Dale, Sep 12 2013 *)

Crossrefs

Sequence in context: A263331 A026296 A037499 * A345464 A180030 A377114

Adjacent sequences: A037673 A037674 A037675 * A037677 A037678 A037679

Keyword

nonn,base,easy

Author

Clark Kimberling

Status

approved