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A068609 Path of a knight's tour on an infinite chessboard. 9
1, 14, 5, 20, 23, 10, 3, 16, 19, 22, 9, 12, 15, 18, 7, 24, 11, 4, 17, 6, 21, 8, 25, 2, 13, 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, 29, 56, 59, 34, 63, 66, 39, 70, 43, 76 (list; graph; refs; listen; history; text; internal format)
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]
CROSSREFS
Sequence in context: A084676 A180848 A331482 * A166208 A367327 A239863
KEYWORD
nonn
AUTHOR
Hans Secelle and Albrecht Heeffer (albrecht.heeffer(AT)pandora.be), Mar 09 2002
EXTENSIONS
a(56), which had been shown as 37, corrected to 39 by Kevin Ryde, Jan 17 2012
STATUS
approved

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Last modified November 29 13:08 EST 2023. Contains 367445 sequences. (Running on oeis4.)