A140243 - OEIS

A140243

Decimal expansion of 180*arccos(11/16)/Pi.

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

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OFFSET

2,1

COMMENTS

Angle in degrees of the larger acute angle of the obtuse scalene triangle with sides of lengths 2, 3 and 4, the scalene triangle with least integer side lengths.

A140241 + A140243 + A140245 = 180.

LINKS

Table of n, a(n) for n=2..106.

FORMULA

180*arccos(11/16)/Pi = 180*A140242/Pi.

EXAMPLE

46.5674634422102283636868956026185019846052071263301505718496459734461192578...

MATHEMATICA

RealDigits[180 ArcCos[11/16]/Pi, 10, 120][[1]] (* Harvey P. Dale, Jul 07 2022 *)

PROG

(PARI) 180*acos(11/16)/Pi

CROSSREFS