OFFSET
1,2
COMMENTS
Board is numbered as follows:
1 2 4 7 11 16 .
3 5 8 12 17 .
6 9 13 18 .
10 14 19 .
15 20 .
21 .
.
Same as A316588 but with king move instead of knight move.
LINKS
Daniël Karssen, Table of n, a(n) for n = 1..100000
Daniël Karssen, Figure showing the first 26 steps of the sequence
CROSSREFS
KEYWORD
nonn
AUTHOR
Daniël Karssen, Jul 15 2018
STATUS
approved