A134880 Decimal expansion of Sum_{k>=1} 1/(2^k)^(2^k).

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

Offset

0,1

Links

Table of n, a(n) for n=0..92.

Example

0.25390630960464477544483510862427522170037264004418131333707266458541197733559...

Mathematica

RealDigits[N[Sum[1/(2^n)^(2^n), {n, 1, 30}], 200]][[1]]

Prog

(PARI) suminf(k=1, 1/(2^k)^(2^k)) \\ Michel Marcus, Jan 15 2021

Crossrefs

Cf. A073009, A100085, A134877, A134878, A134879.

Sequence in context: A065222 A332354 A159988 * A117534 A256628 A112990

Adjacent sequences: A134877 A134878 A134879 * A134881 A134882 A134883

Keyword

nonn,cons

Author

Artur Jasinski, Nov 14 2007

Status

approved