A388252 Decimal expansion of (1/4) * exp(5*Pi/12) * 2^(3/4).

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

Offset

1,2

Links

Table of n, a(n) for n=1..87.

Simon Plouffe, Numbers in the base e^Pi, 2025.

Formula

Empirical: Equals Sum_{k>=0} A022575(k) / exp(k*Pi).

Example

1.5566918541778256820184933747439490883...

Mathematica

First[RealDigits[Exp[(5*Pi)/12]/(2*2^(1/4)), 10, 100]]

Prog

(PARI) (1/4) * exp(5/12 * Pi) * 2^(3/4)

Crossrefs

Cf. A022575.

Sequence in context: A377085 A175379 A106746 * A152481 A157276 A010486

Adjacent sequences: A388249 A388250 A388251 * A388253 A388254 A388255

Keyword

nonn,cons

Author

Simon Plouffe, Sep 15 2025

Status

approved