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A317466 Squares visited by a (2,2)-leaper on a spirally numbered board and moving to the lowest available unvisited square at each step. 3
0, 12, 52, 24, 76, 20, 68, 16, 60, 136, 56, 128, 232, 124, 80, 164, 280, 160, 72, 152, 264, 148, 64, 140, 248, 388, 244, 132, 236, 372, 540, 368, 228, 168, 284, 432, 612, 428, 276, 156, 268, 412, 588, 408, 260, 144, 252, 392, 564, 768, 560, 384, 240, 376 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
COMMENTS
Board is numbered with the square spiral:
.
16--15--14--13--12
| |
17 4---3---2 11 .
| | | |
18 5 0---1 10 .
| | |
19 6---7---8---9 .
|
20--21--22--23--24--25
LINKS
FORMULA
a(n) = A317467(n+1) - 1.
CROSSREFS
Sequence in context: A066757 A225306 A331041 * A045219 A325379 A054410
KEYWORD
nonn
AUTHOR
Daniël Karssen, Jul 29 2018
STATUS
approved

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Last modified March 18 22:56 EDT 2024. Contains 370952 sequences. (Running on oeis4.)