A338250 - OEIS

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A338250

Number of isomorphism classes of pairs of orthogonal diagonal Latin squares of order n.

1

1, 0, 0, 1, 1, 0, 7, 4545, 291670

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

OFFSET

1,7

LINKS

Table of n, a(n) for n=1..9.

Eduard I. Vatutin, Natalia N. Nikitina, Maxim O. Manzuk, First results of an experiment on studying the properties of DLS of order 9 in the volunteer distributed computing projects Gerasim@Home and RakeSearch (in Russian).

Eduard I. Vatutin, Natalia N. Nikitina, Maxim O. Manzuk, Additional calculated results of an experiment on studying the properties of DLS of order 9 in the volunteer distributed computing projects Gerasim@Home and RakeSearch (in Russian).

Index entries for sequences related to Latin squares and rectangles.

CROSSREFS

Cf. A287651, A339926.

Sequence in context: A203679 A145696 A361452 * A103856 A364640 A340292

Adjacent sequences: A338247 A338248 A338249 * A338251 A338252 A338253

KEYWORD

nonn,more,hard

AUTHOR

Eduard I. Vatutin, Dec 22 2020

STATUS

approved