A247003 Decimal expansion of a constant related to A034691.

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

Offset

1,2

Links

Table of n, a(n) for n=1..105.

Vaclav Kotesovec, Asymptotics of sequence A034691

Formula

Equals exp( Sum_{k>=2} 1/(k*(2^k-2)) ).

Example

1.397649005083650285065074598526791159007811429440728996483874...

Maple

evalf(exp(sum(1/(k*(2^k-2)), k=2..infinity)), 100)

Crossrefs

Cf. A034691, A034899, A261043, A304962, A319918.

Sequence in context: A296503 A265298 A296475 * A201943 A358614 A201760

Adjacent sequences: A247000 A247001 A247002 * A247004 A247005 A247006

Keyword

nonn,cons

Author

Vaclav Kotesovec, Sep 09 2014

Status

approved