A068611 Path of a knight's tour on an infinite chessboard.

1, 22, 9, 12, 15, 18, 7, 24, 11, 14, 5, 20, 23, 10, 3, 16, 19, 8, 25, 2, 13, 4, 17, 6, 21, 74, 45, 78, 49, 52, 29, 56, 59, 34, 63, 66, 39, 70, 43, 76, 47, 80, 51, 28, 55, 58, 33, 62, 37, 68, 41, 72, 75, 46, 79, 50, 27, 54, 31, 60

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, A068612, A068613, A068614, A068615.

Sequence in context: A298781 A058402 A248032 * A104061 A196103 A196100

Adjacent sequences: A068608 A068609 A068610 * A068612 A068613 A068614

Keyword

nonn

Author

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

Status

approved