0,3

A143054(n) = a(a(n));

a(A005563(n)) = A000290(n+1) for n>0;

a(A000290(n)) = A002522(n-1) + 1 for n>0.

Table of n, a(n) for n=0..72.

Index entries for sequences that are permutations of the natural numbers

Sequence in context: A214917 A260316 A258742 * A297104 A243256 A269868

Adjacent sequences: A143049 A143050 A143051 * A143053 A143054 A143055

nonn

Reinhard Zumkeller, Jul 20 2008

approved