0,2

The integers [0,(9^k)-1] are confined to range [0,(9^k)-1].

A. Karttunen, Table of n, a(n) for n = 0..6560

Index entries for sequences that are permutations of the natural numbers

a(n) = A163327(A163332(A163327(n))). A163334 & A163336 give two variants of Hilbert II curve in N x N grid. Cf. also A163355.

Sequence in context: A198607 A021857 A222224 * A116369 A155751 A092234

Adjacent sequences: A163330 A163331 A163332 * A163334 A163335 A163336

nonn

Antti Karttunen, Jul 29 2009

approved