A293529 Smallest number of iterations of f(x)=A000720(n*x) at x=1 to reach the limit (=A038626(n)).

0, 8, 12, 18, 26, 39, 48, 53, 63, 76, 117, 136, 126, 186, 179, 217, 251, 274, 321, 357, 355, 391, 469, 506, 515, 620, 623, 713, 722, 771, 898

Offset

2,2

Links

Table of n, a(n) for n=2..32.

Formula

a(n) = smallest k such that f^(k)(1)=A038626(n).

Crossrefs

Cf. A000720, A038626.

Sequence in context: A157940 A308494 A087696 * A028393 A066681 A276403

Adjacent sequences: A293526 A293527 A293528 * A293530 A293531 A293532

Keyword

nonn,more

Author

Max Alekseyev, Oct 11 2017

Status

approved