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A220609
Decimal expansion of Gamma(4/7).
6
1, 5, 5, 8, 5, 8, 1, 0, 3, 2, 9, 0, 2, 4, 7, 5, 0, 0, 8, 2, 7, 5, 0, 0, 9, 2, 9, 1, 2, 4, 5, 9, 7, 3, 9, 2, 2, 5, 2, 0, 8, 5, 0, 4, 7, 2, 0, 9, 4, 5, 3, 8, 6, 9, 2, 2, 6, 6, 7, 3, 6, 6, 2, 9, 3, 2, 8, 9, 7, 2, 5, 5, 8, 3, 8, 7, 8, 4, 2, 2, 9, 9, 8, 9, 9, 2, 1
OFFSET
1,2
COMMENTS
See the second comment of A220086.
FORMULA
Equals Pi*sec(Pi/14)/A220608.
EXAMPLE
1.5585810329024750082750092912459739225208504720945386...
MATHEMATICA
RealDigits[Gamma[4/7], 10, 90][[1]]
PROG
(Maxima) fpprec:90; ev(bfloat(gamma(4/7)));
CROSSREFS
Sequence in context: A100128 A212004 A327955 * A102729 A360909 A021183
KEYWORD
nonn,cons
AUTHOR
Bruno Berselli, Dec 17 2012
STATUS
approved