1,2

Permutation of the natural numbers with inverse A098312:

a(A098312(n)) = A098312(a(n)) = n;

a(A098311(n)) = A098311(a(n)) = A098313(n).

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

Index entries for sequences that are permutations of the natural numbers

(Haskell)

a098314 = a098313 . a098313 -- Reinhard Zumkeller, Oct 11 2014

Sequence in context: A074739 A341750 A246096 * A052057 A252493 A005496

Adjacent sequences: A098311 A098312 A098313 * A098315 A098316 A098317

nonn

Reinhard Zumkeller, Sep 02 2004

approved