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A317438
Squares visited by a (1,5)-leaper on a spirally numbered board and moving to the lowest available unvisited square at each step.
13
1, 85, 23, 33, 25, 31, 17, 29, 19, 27, 21, 35, 55, 5, 53, 7, 51, 45, 15, 47, 13, 37, 59, 9, 61, 89, 125, 179, 231, 49, 75, 39, 11, 41, 63, 93, 141, 187, 239, 177, 123, 87, 81, 115, 155, 105, 73, 117, 159, 107, 65, 95, 131, 175, 169, 219, 277, 43, 67, 3, 69, 99, 137
OFFSET
1,2
COMMENTS
Board is numbered with the square spiral:
.
17--16--15--14--13
| |
18 5---4---3 12 .
| | | |
19 6 1---2 11 .
| | |
20 7---8---9--10 .
|
21--22--23--24--25--26
.
The sequence is finite: at step 14570, square 25963 is visited, after which there are no unvisited squares within one move.
CROSSREFS
Sequence in context: A096132 A078083 A259915 * A105328 A033405 A295607
KEYWORD
nonn,fini,full
AUTHOR
Daniël Karssen, Jul 28 2018
STATUS
approved