1,2

Permutation of the natural numbers with inverse A098314:

a(A098314(n)) = A098314(a(n)) = n;

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

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

Index entries for sequences that are permutations of the natural numbers

(Haskell)

a098312 = a098311 . a098311 -- Reinhard Zumkeller, Oct 11 2014

Sequence in context: A048327 A048340 A331026 * A279487 A046039 A023784

Adjacent sequences: A098309 A098310 A098311 * A098313 A098314 A098315

nonn

Reinhard Zumkeller, Sep 02 2004

approved