A037671 Base 8 digits are, in order, the first n terms of the periodic sequence with initial period 3,2,0.

3, 26, 208, 1667, 13338, 106704, 853635, 6829082, 54632656, 437061251, 3496490010, 27971920080, 223775360643, 1790202885146, 14321623081168, 114572984649347, 916583877194778, 7332671017558224, 58661368140465795, 469290945123726362

Offset

1,1

Links

Colin Barker, Table of n, a(n) for n = 1..1000

Index entries for linear recurrences with constant coefficients, signature (8,0,1,-8).

Formula

a(n) = 8*a(n-1)+a(n-3)-8*a(n-4). - Colin Barker, Dec 07 2014

G.f.: x*(2*x+3) / ((x-1)*(8*x-1)*(x^2+x+1)). - Colin Barker, Dec 07 2014

Prog

(PARI) Vec(x*(2*x+3)/((x-1)*(8*x-1)*(x^2+x+1)) + O(x^100)) \\ Colin Barker, Dec 08 2014

Crossrefs

Sequence in context: A228116 A091123 A037790 * A037797 A071846 A357036

Adjacent sequences: A037668 A037669 A037670 * A037672 A037673 A037674

Keyword

nonn,base,easy

Author

Clark Kimberling

Extensions

More terms from Colin Barker, Dec 08 2014

Status

approved