A068613 Path of a knight's tour on an infinite chessboard.

1, 24, 7, 18, 15, 12, 9, 22, 19, 16, 3, 10, 23, 20, 5, 14, 11, 8, 21, 6, 17, 4, 13, 2, 25, 80, 47, 76, 43, 70, 39, 66, 63, 34, 59, 56, 29, 52, 49, 78, 45, 74, 71, 40, 67, 64, 35, 60, 31, 54, 27, 50, 79, 46, 75, 72, 41, 68, 37, 62

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

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

Crossrefs

Cf. A068608, A068609, A068610, A068611, A068612, A068614, A068615.

Sequence in context: A040559 A339007 A339008 * A297983 A298632 A241362

Adjacent sequences: A068610 A068611 A068612 * A068614 A068615 A068616

Keyword

nonn,look

Author

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

Status

approved