A323763 - OEIS

A323763

Squares visited by gnu (A.K.A. wildebeest; (1,2)+(1,3)-leaper chess piece) moves on a spirally numbered board and moving to the lowest available unvisited square at each step.

1, 10, 3, 6, 9, 4, 7, 2, 5, 8, 11, 14, 18, 15, 12, 16, 19, 22, 41, 17, 33, 30, 34, 13, 27, 23, 20, 24, 44, 40, 21, 39, 36, 60, 31, 53, 26, 46, 25, 28, 32, 29, 51, 47, 75, 42, 45, 71, 74, 70, 38, 35, 59, 56, 86, 50, 78, 49, 52, 80, 83, 79, 115, 73, 107, 67, 64

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

COMMENTS

In fairy chess the (1,2)+(1,3)-leaper is called a Gnu. - Vaclav Kotesovec, Jan 28 2019

Board is numbered with the square spiral:

17--16--15--14--13

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18 5---4---3 12 .

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19 6 1---2 11 .

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