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1,1

a(a(n))=n: a self-inverse permutation with A010051(a(n)+n)=1. - Reinhard Zumkeller, Nov 25 2004

Table of n, a(n) for n=1..72.

Index entries for sequences that are permutations of the natural numbers

Cf. A083569.

Sequence in context: A282665 A232805 A073672 * A035552 A114862 A064579

Adjacent sequences: A071062 A071063 A071064 * A071066 A071067 A071068

easy,nonn

Benoit Cloitre, May 26 2002

Corrected and extended by Lior Manor May 27 2002

approved