A375014 A cycle of length 6 when iterating x <- phi(sigma(x)).

27648, 30976, 54432, 48384, 55296, 34560

Offset

1,1

Comments

The first term in the sequence is the smallest member of the cycle. This is the 6-cycle with the second-smallest members. Similar cycles are in the crossreferences.

Links

Table of n, a(n) for n=1..6.

Example

phi(sigma(27648)) = 30976, ... phi(sigma(34560)) = 27648, so 27648 is in the sequence.

Crossrefs

Cf. A095955, A095956, A001229, A373435, A373453, A373454, A375012, A375013.

Sequence in context: A025291 A025309 A097244 * A350185 A101214 A339257

Adjacent sequences: A375011 A375012 A375013 * A375015 A375016 A375017

Keyword

nonn,fini,full

Author

Jud McCranie, Jul 27 2024

Status

approved