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

27648, 30976, 54432, 48384, 55296, 34560

Offset: 1

Author

Jud McCranie, Jul 27 2024

Keywords

• nonn
• fini
• full

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.

Examples

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

Crossrefs

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