A111720 Decimal expansion of (abs(log_10(cosine of 1 degree)))^(-1).

1, 5, 1, 1, 7, 1, 1, 4, 3, 7, 7, 7, 0, 0, 4, 7, 3, 9, 8, 6, 8, 1, 5, 2, 3, 4, 0, 3, 8, 7, 3, 4, 6, 8, 2, 2, 7, 6, 2, 1, 7, 3, 5, 2, 2, 7, 1, 5, 7, 8, 6, 7, 1, 9, 5, 3, 8, 8, 7, 8, 0, 9, 3, 5, 6, 9, 0, 6, 5, 5, 9, 1, 3, 5, 4, 6, 0, 9, 8, 3, 2, 1, 4, 8, 0, 9, 3, 1, 4, 8, 7, 3, 9, 3, 4, 4, 5, 3, 6, 0, 6, 9, 9, 8, 6, 3, 2, 2, 2, 3, 5, 3, 3, 4, 7, 8, 3, 9, 8, 4

Offset

5,2

Links

Table of n, a(n) for n=5..124.

Mathematica

RealDigits[1/Abs[Log10[Cos[1 Degree]]], 10, 120][[1]] (* Harvey P. Dale, Sep 07 2020 *)

Crossrefs

Cf. A019810.

Sequence in context: A200401 A214228 A324385 * A029646 A152721 A132737

Adjacent sequences: A111717 A111718 A111719 * A111721 A111722 A111723

Keyword

nonn,cons

Author

Mohammad K. Azarian, Nov 17 2005

Extensions

Corrected and extended by Harvey P. Dale, Sep 07 2020

Status

approved