A021732 Decimal expansion of 1/728.

0, 0, 1, 3, 7, 3, 6, 2, 6, 3, 7, 3, 6, 2, 6, 3, 7, 3, 6, 2, 6, 3, 7, 3, 6, 2, 6, 3, 7, 3, 6, 2, 6, 3, 7, 3, 6, 2, 6, 3, 7, 3, 6, 2, 6, 3, 7, 3, 6, 2, 6, 3, 7, 3, 6, 2, 6, 3, 7, 3, 6, 2, 6, 3, 7, 3, 6, 2, 6, 3, 7, 3, 6, 2, 6, 3, 7, 3, 6, 2, 6, 3, 7, 3, 6, 2, 6, 3, 7, 3, 6, 2, 6, 3, 7, 3, 6, 2, 6

Offset

0,4

Links

Table of n, a(n) for n=0..98.

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

Formula

From Chai Wah Wu, Apr 22 2024: (Start)

a(n) = a(n-1) - a(n-3) + a(n-4) for n > 6.

G.f.: x^2*(-5*x^4 + 3*x^3 - 4*x^2 - 2*x - 1)/(x^4 - x^3 + x - 1). (End)

Mathematica

Join[{0, 0}, First[RealDigits[1/728, 10, 100]]] (* Paolo Xausa, Apr 22 2024 *)

Crossrefs

Sequence in context: A060443 A020810 A248895 * A329341 A244191 A161973

Adjacent sequences: A021729 A021730 A021731 * A021733 A021734 A021735

Keyword

nonn,cons,changed

Author

N. J. A. Sloane.

Status

approved