A214368 Number of nontrivial partial Latin squares of order n; or labeled partial quasigroups.

1, 34, 11775, 127545136, 64170718937005, 2027032853070203981646

Offset

1,2

Links

Table of n, a(n) for n=1..6.

R. M. Falcón, The set of autotopisms of partial Latin squares, Discrete Mathematics 313, No. 11 (2013), 1150-1161.

R. M. Falcón and R. J. Stone, Classifying partial Latin rectangles, Electronic Notes in Discrete Mathematics 49 (2015), 765-771.

Crossrefs

Sequence in context: A246240 A273352 A189448 * A328293 A220870 A281539

Adjacent sequences: A214365 A214366 A214367 * A214369 A214370 A214371

Keyword

hard,more,nonn

Author

Raul M. Falcon, Jul 14 2012

Extensions

Name clarified by Raul M. Falcon, Dec 17 2016

a(5)-a(6) from Raul M. Falcon, Dec 17 2016

Status

approved