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A323140
Number of uncrossed king's paths of length n, reduced for symmetry, A272773/8.
5
1, 7, 45, 280, 1712, 10351, 62082, 370142, 2196701, 12988928, 76572159, 450277842, 2642226994, 15476427641, 90508059371
OFFSET
1,2
COMMENTS
For comments, programs, references see A272773.
FORMULA
a(n) = A272773(n) / 8.
CROSSREFS
KEYWORD
nonn,hard,more
AUTHOR
Hugo Pfoertner, Jan 05 2019
STATUS
approved