1,2

a(A104772(n)) = n; a(A104773(n)) = A104772(n).

Table of n, a(n) for n=1..95.

Cf. A001358, A046315, A090967.

Sequence in context: A218862 A243199 A305212 * A087263 A099894 A048298

Adjacent sequences: A104771 A104772 A104773 * A104775 A104776 A104777

nonn

Reinhard Zumkeller, Mar 24 2005

approved