A193719 Decimal expansion of Burnside curve area.

1, 1, 0, 1, 6, 5, 9, 0, 2, 6, 4, 5, 7, 5, 7, 4, 0, 9, 0, 4, 3, 0, 9, 3, 3, 8, 1, 1, 3, 7, 8, 0, 4, 3, 8, 3, 3, 6, 9, 5, 9, 2, 2, 6, 2, 1, 5, 7, 5, 1, 5, 5, 3, 1, 3, 9, 8, 5, 5, 7, 2, 6, 5, 6, 9, 7, 4, 9, 0, 1, 6, 0, 1, 9, 7, 4, 0, 5, 8, 5, 6, 8, 4, 6, 1, 8, 3, 9, 1, 4, 5, 8, 8, 9, 1, 7, 7, 1, 7, 4, 3, 4, 0, 8, 9

Offset

1,5

Links

G. C. Greubel, Table of n, a(n) for n = 1..10000

Eric Weisstein's World of Mathematics, Burnside Curve

Formula

Equals sqrt(Pi)*gamma(3/8)/(4*gamma(15/8)).

Example

1.101659026457574...

Mathematica

area = N[Sqrt[Pi]*Gamma[3/8]/(4*Gamma[15/8]), 105]; RealDigits[area][[1]]

Prog

(PARI) sqrt(Pi)*gamma(3/8)/(4*gamma(15/8)) \\ Michel Marcus, Jul 04 2015

Crossrefs

Cf. A193720 (length).

Sequence in context: A348909 A272696 A048236 * A364931 A195700 A275110

Adjacent sequences: A193716 A193717 A193718 * A193720 A193721 A193722

Keyword

nonn,cons

Author

Jean-François Alcover, Aug 03 2011

Status

approved