A293529 - OEIS

%I #14 Oct 15 2017 09:38:52

%S 0,8,12,18,26,39,48,53,63,76,117,136,126,186,179,217,251,274,321,357,

%T 355,391,469,506,515,620,623,713,722,771,898

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

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

%Y Cf. A000720, A038626.

%K nonn,more

%O 2,2

%A _Max Alekseyev_, Oct 11 2017