|
| |
|
|
A087259
|
|
a(n)=LCM[n, A025586(n)], least common multiple of n and largest value in 3x+1 iteration list started at n.
|
|
0
|
|
|
|
1, 2, 48, 4, 80, 48, 364, 8, 468, 80, 572, 48, 520, 364, 480, 16, 884, 468, 1672, 20, 1344, 572, 3680, 24, 2200, 520, 249264, 364, 2552, 480, 286192, 32, 3300, 884, 1120, 468, 4144, 1672, 11856, 40, 378512, 1344, 8428, 572, 6120, 3680, 433904, 48, 7252, 2200
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,2
|
|
|
LINKS
|
Table of n, a(n) for n=1..50.
|
|
|
MATHEMATICA
|
c[x_] := (1-Mod[x, 2])*(x/2)+Mod[x, 2]*(3*x+1)c[1]=1; fpl[x_] := Delete[FixedPointList[c, x], -1] Table[LCM[w, Max[fpl[w]]], {w, 1, 256}]
|
|
|
CROSSREFS
|
Cf. A025586.A033496-A087261.
Sequence in context: A079307 A005814 A177190 * A195876 A083251 A075690
Adjacent sequences: A087256 A087257 A087258 * A087260 A087261 A087262
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
Labos E. (labos(AT)ana.sote.hu), Sep 09 2003
|
|
|
STATUS
|
approved
|
| |
|
|
