A220609 Decimal expansion of Gamma(4/7).

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

Author

Bruno Berselli, Dec 17 2012

Keywords

• nonn
• cons

Comments

See the second comment of A220086.

Examples

			1.5585810329024750082750092912459739225208504720945386...
		

Links

• Vincenzo Librandi, Table of n, a(n) for n = 1..1000
• Index to sequences related to the Gamma function

Programs

Mathematica

RealDigits[Gamma[4/7], 10, 90][[1]]

Maxima

fpprec:90; ev(bfloat(gamma(4/7)));

Formula

Equals Pi*sec(Pi/14)/A220608.