login

%I #4 Sep 19 2014 01:38:15

%S 1,3,4,6,7,9,11,12,14,16,17,19,20,22,24,25,27,28,30,32,33,35,37,38,40,

%T 41,43,45,46,48,49,51,53,54,56,58,59,61,62,64,66,67,69,71,72,74,75,77,

%U 79,80,82,83,85,87,88,90,92,93,95,96,98,100,101,103,105

%N A005206(A003259(n)).

%C This is the function named psi in [Carlitz].

%H L. Carlitz, R. Scoville and T. Vaughan, <a href="http://www.fq.math.ca/Scanned/11-4/carlitz.pdf">Some arithmetic functions related to Fibonacci numbers</a>, Fib. Quart., 11 (1973), 337-386.

%F a(n) = A000201(n) - 1 for n of the form A000201(A003234(j)) + 1; a(n) = A000201(n) for other n. [Carlitz, Thm. 4.6].

%K nonn

%O 1,2

%A _Eric M. Schmidt_, Sep 17 2014