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A338167
Decimal expansion of Sum_{n>=1} 1/(2n)^(2n-1).
2
5, 1, 5, 7, 5, 4, 0, 7, 8, 6, 6, 1, 5, 5, 0, 6, 1, 1, 2, 3, 8, 3, 8, 0, 8, 8, 8, 3, 8, 4, 6, 5, 6, 9, 2, 4, 2, 4, 2, 9, 7, 5, 9, 6, 7, 5, 5, 6, 7, 4, 2, 3, 6, 0, 2, 2, 6, 1, 6, 8, 7, 0, 8, 7, 8, 7, 8, 4, 4, 0, 5, 4, 5, 9, 2, 8, 4, 8, 1, 9, 6, 0, 3, 6, 6, 3, 0
OFFSET
0,1
COMMENTS
Is the sum of the inverse of even numbers raised to the odd numbers.
FORMULA
Equals Sum_{n>=1} 1/A085535(n).
EXAMPLE
0.51575407866155061123838088838465692424297596755674236022...
PROG
(PARI) suminf(n=1, (2*n)^(-2*n+1))
CROSSREFS
Sequence in context: A103193 A011093 A062176 * A372958 A129769 A129766
KEYWORD
nonn,cons
AUTHOR
Mario Cortés, Oct 14 2020
EXTENSIONS
More terms from Jon E. Schoenfield, Mar 21 2021
STATUS
approved