A068610 Path of a knight's tour on an infinite chessboard.

1, 18, 7, 24, 11, 14, 5, 20, 23, 10, 3, 16, 19, 22, 9, 12, 15, 6, 21, 8, 25, 2, 13, 4, 17, 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, 35, 64, 67, 40, 71, 74, 45, 78, 49, 52

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

Hugo Pfoertner, Illustration of initial terms.

Crossrefs

Cf. A068608, A068609, A068611, A068612, A068613, A068614, A068615.

Sequence in context: A069951 A097534 A040310 * A264389 A104218 A033338

Adjacent sequences: A068607 A068608 A068609 * A068611 A068612 A068613

Keyword

nonn

Author

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

Status

approved