A068615 Path of a knight's tour on an infinite chessboard.

1, 16, 3, 10, 23, 20, 5, 14, 11, 24, 7, 18, 15, 12, 9, 22, 19, 4, 13, 2, 25, 8, 21, 6, 17, 64, 35, 60, 31, 54, 27, 50, 79, 46, 75, 72, 41, 68, 37, 62, 33, 58, 55, 28, 51, 80, 47, 76, 43, 70, 39, 66, 63, 34, 59, 56, 29, 52, 49, 78

Offset

0,2

Comments

One of eight possible knight's tours. Squares are numbered in a clockwise spiral. Enumerates all positive integers.

Links

Hugo Pfoertner, Table of n, a(n) for n = 0..1088 [Offset adapted by Georg Fischer, Jun 04 2019]

Frank Ellermann, Sequences based on a spiral of the natural numbers

Crossrefs

Cf. A068608, A068609, A068610, A068611, A068612, A068613, A068614.

Sequence in context: A099143 A070709 A247585 * A341720 A139722 A070582

Adjacent sequences: A068612 A068613 A068614 * A068616 A068617 A068618

Keyword

nonn

Author

Hans Secelle and Albrecht Heeffer (albrecht.heeffer(AT)pandora.be), Mar 09 2002

Status

approved