A117021 - OEIS

A117021

Decimal expansion of (sine of 1 radian)^(-2)=(csc 1 radian)^2.

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

(list; constant; graph; refs; listen; history; text; internal format)

OFFSET

1,2

LINKS

Table of n, a(n) for n=1..105.

EXAMPLE

1.41228292743739191460933500454162490237229511435081720805327260649927902975112635455487191470468477996523963837778216770

MATHEMATICA

RealDigits[Sin[1]^-2, 10, 120][[1]] (* Harvey P. Dale, Aug 23 2013 *)

CROSSREFS

Cf. A049469; A073447.

Sequence in context: A054713 A371853 A213884 * A222213 A010473 A176041

Adjacent sequences: A117018 A117019 A117020 * A117022 A117023 A117024

KEYWORD

cons,nonn,less

AUTHOR

Mohammad K. Azarian, Apr 15 2006

STATUS

approved