A084118 - OEIS

A084118

Continued fraction expansion of Product_{k>=0} (1 - 1/(2^k+1)).

0, 4, 1, 3, 3, 7, 2, 1, 1, 3, 3, 18, 9, 15, 1, 13, 3, 1, 1, 1, 4, 3, 1, 3, 1, 1, 1, 1, 3, 8, 18, 2, 3, 2, 14, 3, 1, 2, 1, 7, 1, 300, 1, 3, 1, 17, 1, 1, 1, 4, 3, 9, 2, 3, 4, 1, 25, 6, 12, 3, 1, 1, 3, 4, 2, 6, 28, 2, 11, 2, 3, 1, 2, 3, 18, 9, 1, 1, 3, 2, 22, 165, 8, 5, 13, 7, 1, 6, 1, 2, 3, 5, 1, 14, 6, 1

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

OFFSET

0,2

COMMENTS

c/4 where c is the constant defined in A085011.

LINKS

Table of n, a(n) for n=0..95.

FORMULA

Product_{k>=0} (1 - 1/(2^k+1)) = 0.2097112208975537988549780538514871...

PROG

(PARI) contfrac(prod(k=0, 1000, 1-1./(2^k+1)))

CROSSREFS