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A343178
On a spirally numbered square grid, with labels starting at 1, this is the number of steps that an (n,n+1) leaper makes before getting trapped, or -1 if it never gets trapped.
2
2016, 4634, 1888, 4286, 1796, 3487, 3984, 7796, 5679, 5961, 7560, 7748, 9646, 17577, 13023, 23988, 19620, 14361, 20975, 25731, 40503, 31217, 39468, 44026, 31047, 75831, 62593, 70020, 69960, 65902, 79304, 64266, 66381, 62110, 72787, 122490, 139654, 117203
OFFSET
1,1
COMMENTS
As in all these sequences (cf. A316667), the knight or leaper must always move to the lowest-numbered unvisited square.
REFERENCES
Andrew Trevorrow, Posting to Math Fun Mailing List, Apr 29 2021.
PROG
(C++) See Links section.
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Apr 30 2021
EXTENSIONS
More terms from Rémy Sigrist, Apr 30 2021
STATUS
approved