A133747 Decimal expansion of the nonzero invariant of the Weierstrass elliptic function with half-periods 1/2 and i/2.

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

Offset

3,2

Links

Table of n, a(n) for n=3..107.

Eric Weisstein's World of Mathematics, Costa Minimal Surface

Formula

Equals (beta(1/4, 1/4)/2)^4 = gamma(1/4)^8/(16*Pi^2). - Jan Mangaldan, Mar 02 2013

Example

189.07272012923385229...

Mathematica

First[RealDigits[(1/2 Beta[1/4, 1/4])^4, 10, 30]] (* Jan Mangaldan, Mar 02 2013 *)

Crossrefs

Cf. A133748.

Sequence in context: A073242 A217597 A021845 * A222458 A351222 A370093

Adjacent sequences: A133744 A133745 A133746 * A133748 A133749 A133750

Keyword

nonn,cons

Author

Eric W. Weisstein, Sep 22 2007

Status

approved