A113321 Lexicographically earliest permutation of the natural numbers such that all positive differences between succeeding terms occur exactly once.

1, 2, 4, 3, 6, 5, 9, 7, 12, 8, 14, 10, 17, 11, 19, 13, 22, 15, 25, 16, 27, 18, 30, 20, 33, 21, 35, 23, 38, 24, 40, 26, 43, 28, 46, 29, 48, 31, 51, 32, 53, 34, 56, 36, 59, 37, 61, 39, 64, 41, 67, 42, 69, 44, 72, 45, 74, 47, 77, 49, 80, 50, 82, 52, 85, 54, 88, 55, 90, 57, 93, 58

Offset

1,2

Comments

inverse: A113324; A113323 = a(a(n));

A113322(n) = a(n+1) - a(n).

Links

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

Index entries for sequences that are permutations of the natural numbers

Crossrefs

Sequence in context: A143691 A129767 A119618 * A271647 A232643 A366263

Adjacent sequences: A113318 A113319 A113320 * A113322 A113323 A113324

Keyword

nonn

Author

Reinhard Zumkeller, Oct 26 2005

Status

approved