A334400 Decimal expansion of cosh(e).

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

Offset

1,1

Links

Table of n, a(n) for n=1..110.

Formula

Equals Sum_{k>=0} e^(2*k)/(2*k)!.

Example

(e^e + e^(-e))/2 = 7.6101251386622883634186102301133791...

Mathematica

RealDigits[Cosh[E], 10, 110] [[1]]

Crossrefs

Cf. A001113, A073226, A073230, A073743, A085660, A334399.

Sequence in context: A154580 A256319 A324688 * A309700 A353823 A247444

Adjacent sequences: A334397 A334398 A334399 * A334401 A334402 A334403

Keyword

nonn,cons

Author

Ilya Gutkovskiy, Apr 26 2020

Status

approved