A021136 Decimal expansion of 1/132.

0, 0, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7, 5, 7

Offset

0,3

Comments

Multiplied by -1, this is zeta(-9), where zeta is the Riemann zeta function. - Alonso del Arte, Jan 13 2012

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*(7 + 5*x)/((1 - x)*(1 + x)).

E.g.f.: 7*(cosh(x) - 1) + 5*(sinh(x) - x). (End)

Mathematica

Join[{0, 0}, RealDigits[1/132, 10, 100][[1]]] (* Alonso del Arte, Jan 13 2012 *) (* corrected by Harvey P. Dale, Nov 30 2025 *)
PadRight[{0, 0}, 120, {7, 5}] (* Harvey P. Dale, Nov 30 2025 *)

Crossrefs

Cf. A010718.

Sequence in context: A080411 A178988 A163505 * A214444 A194657 A230163

Adjacent sequences: A021133 A021134 A021135 * A021137 A021138 A021139

Keyword

nonn,cons,easy

Author

N. J. A. Sloane

Status

approved