A153691 Greatest number m such that the fractional part of (11/10)^A153687(m) >= 1-(1/m).

1, 1, 1, 1, 2, 4, 19, 21, 28, 151, 200, 709, 767, 5727, 15908, 162819, 302991

Offset

1,5

Links

Table of n, a(n) for n=1..17.

Formula

a(n):=floor(1/(1-fract((11/10)^A153687(n)))), where fract(x) = x-floor(x).

Example

a(6)=4, since 1-(1/5)=0.8>fract((11/10)^A153687(6))=fract((11/10)^6)=0.771...>=1-(1/4).

Crossrefs

Cf. A153663, A153671, A153679, A153683, A154130, A153699, A153707, A153715, A153723.

Sequence in context: A290595 A009418 A273553 * A184308 A268338 A171735

Adjacent sequences: A153688 A153689 A153690 * A153692 A153693 A153694

Keyword

nonn,more

Author

Hieronymus Fischer, Jan 06 2009

Status

approved