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A153722 Greatest number m such that the fractional part of (Pi-2)^A153718(n) <= 1/m. 7

%I #9 May 11 2019 01:44:36

%S 7,3,38,318,78,83,265,185,73351,356362

%N Greatest number m such that the fractional part of (Pi-2)^A153718(n) <= 1/m.

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

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

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

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

%t Length[A153718]}] (* _Robert Price_, May 10 2019 *)

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

%K nonn,more

%O 1,1

%A _Hieronymus Fischer_, Jan 06 2009

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Last modified April 25 06:49 EDT 2024. Contains 371964 sequences. (Running on oeis4.)