A021400 Decimal expansion of 1/396.

0, 0, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2

Offset

0,3

Links

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

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

Formula

From Elmo R. Oliveira, Oct 13 2025: (Start)

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

E.g.f.: 2*(cosh(x) - 1) + 5*(sinh(x) - x). (End)

Example

0.0025252525252525252525252525252525252525252525252525...

Mathematica

First[RealDigits[1/396, 10, 100, -1]] (* or *)
PadRight[{0, 0}, 100, {2, 5}] (* Paolo Xausa, Aug 13 2025 *)

Crossrefs

A010695 shifted right.

Sequence in context: A221676 A073054 A010695 * A059855 A082881 A104289

Adjacent sequences: A021397 A021398 A021399 * A021401 A021402 A021403

Keyword

nonn,cons,easy

Author

N. J. A. Sloane

Status

approved