0,3

Table of n, a(n) for n=0..69.

A. Karttunen, Gatomorphisms (with the complete Scheme source)

Index entries for sequences that are permutations of the natural numbers

(Scheme function implementing this automorphism on list-structures:)

(define (gmA074685! s) (cond ((pair? s) (gmrobl! s) (gmA074685! (cdr s)))) s)

Inverse of A074686. a(n) = A057163(A074689(A057163(n))). Occurs in A073200 as row 5572436.

Sequence in context: A082335 A074690 A122332 * A120706 A122295 A127291

Adjacent sequences: A074682 A074683 A074684 * A074686 A074687 A074688

nonn

Antti Karttunen, Sep 11 2002

approved