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A295219 Decimal expansion of Product_{n>=1} n*sin(1/n). 1
7, 5, 5, 3, 6, 3, 3, 8, 8, 5, 1, 8, 5, 7, 3, 2, 1, 4, 0, 6, 3, 3, 6, 4, 9, 8, 6, 1, 7, 0, 4, 7, 6, 5, 5, 3, 5, 9, 6, 1, 2, 9, 6, 3, 6, 7, 9, 2, 1, 3, 0, 1, 4, 2, 5, 5, 7, 0, 2, 2, 5, 0, 4, 3, 3, 3, 6, 2, 5, 9, 4, 1, 6, 7, 5, 7, 8, 9, 5, 9, 4, 0, 9, 5, 8, 0, 1, 5 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..87.

FORMULA

Equals 1*sin(1/1) * 2*sin(1/2) * 3*sin(1/3) * 4*sin(1/4) * 5*sin(1/5) * ...

EXAMPLE

0.75536338851857321406336498617047655...

PROG

(PARI) exp(-sumpos(n=1, -log(n*sin(1/n))))

CROSSREFS

Sequence in context: A010510 A258042 A289003 * A138312 A138313 A152115

Adjacent sequences:  A295216 A295217 A295218 * A295220 A295221 A295222

KEYWORD

nonn,cons

AUTHOR

Michal Paulovic, Nov 17 2017

EXTENSIONS

Terms corrected by Jinyuan Wang, Jul 21 2020

STATUS

approved

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Last modified September 23 04:54 EDT 2020. Contains 337295 sequences. (Running on oeis4.)