OFFSET
4,2
COMMENTS
Also the number of (n,1)-partial orthomorphisms. - Pei Jisheng, Dec 06 2012
REFERENCES
D. F. Hsu, Cyclic Neofields and Combinatorial Designs, Lect. Notes Math. 824 (1980). See p. 189.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
D. S. Stones, I. M. Wanless, A Congruence Connecting Latin Rectangles and Partial Orthomorphisms, 2012
CROSSREFS
KEYWORD
hard,nonn,nice
AUTHOR
STATUS
approved