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A153722 Greatest number m such that the fractional part of (Pi-2)^A153718(n) <= 1/m. 7
7, 3, 38, 318, 78, 83, 265, 185, 73351, 356362 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..10.

FORMULA

a(n) = floor(1/fract((Pi-2)^A153718(n))), where fract(x) = x-floor(x).

EXAMPLE

a(3) = 38 since 1/39 < fract((Pi-2)^A153718(3)) = fract((Pi-2)^23) = 0.02600... <= 1/38.

MATHEMATICA

A153718 = {1, 2, 23, 24, 35, 41, 65, 182, 72506, 107346};

Table[Floor[1/FractionalPart[(Pi - 2)^A153718[[n]]]], {n, 1,

Length[A153718]}] (* Robert Price, May 10 2019 *)

CROSSREFS

Cf. A153662, A153670, A153678, A153686, A153694, A153702, A153710, A153718, A154130.

Sequence in context: A271597 A272505 A272052 * A271692 A272114 A272546

Adjacent sequences:  A153719 A153720 A153721 * A153723 A153724 A153725

KEYWORD

nonn,more

AUTHOR

Hieronymus Fischer, Jan 06 2009

STATUS

approved

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Last modified October 14 03:58 EDT 2019. Contains 327995 sequences. (Running on oeis4.)