A092035 Decimal expansion of (Pi/e)^2.

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

Offset

1,2

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..10000

Formula

Conjecture: Equals 12*Sum_{k >= 1} ((-1)^(k+1)/k^2) * cos(sqrt(2*k^2*Pi^2/3 - 4)). Cf. A100074. - Peter Bala, Jun 20 2022

Example

1.33570570...

Mathematica

RealDigits[(Pi/E)^2, 10, 100][[1]] (* Vincenzo Librandi, Mar 01 2013 *)

Crossrefs

Cf. A061382, A100074.

Sequence in context: A222704 A095950 A089874 * A164914 A247479 A134855

Adjacent sequences: A092032 A092033 A092034 * A092036 A092037 A092038

Keyword

easy,nonn,cons

Author

Mohammad K. Azarian, Mar 26 2004

Status

approved