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A095911 Number of steps where the modified Juggler sequence reaches a new record (A095910). 4
1, 6, 13, 19, 21, 62, 64, 83, 94, 112, 120, 142, 144, 301, 306, 311, 322, 338, 357 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

The modified Juggler sequence: begin with x and if x is even, round(sqrt(x)) -> x and if x is odd, round(sqrt(x3)) -> x and repeat until x = 1, count the iterations.

The records A094696 and A095911 are probably the same sequence. - R. J. Mathar, Jul 28 2007

LINKS

Table of n, a(n) for n=1..19.

MATHEMATICA

mjs[n_] := If[ EvenQ[n], Round[ Sqrt[n]], Round[ Sqrt[n^3]]];; f[n_] := Length[ NestWhileList[mjs, n, # != 1 &]] - 1; a = {0}; Do[ b = f[n]; If[b >a[[ -1]] AppendTo[a, b]; Print[n]], {n, 250000}]

CROSSREFS

Cf. A007321, A095909, A095910.

Sequence in context: A287237 A282975 A094696 * A013575 A075727 A246306

Adjacent sequences:  A095908 A095909 A095910 * A095912 A095913 A095914

KEYWORD

nonn

AUTHOR

Robert G. Wilson v, Jun 14 2004

EXTENSIONS

a(16)-a(19) from Chai Wah Wu, Aug 18 2016

STATUS

approved

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Last modified March 23 14:17 EDT 2019. Contains 321431 sequences. (Running on oeis4.)