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A307163 Minimum number of intercalates in a diagonal Latin square of order n. 1
0, 0, 0, 12, 0, 9, 0, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

COMMENTS

An intercalate is a 2 X 2 subsquare of a Latin square.

LINKS

Table of n, a(n) for n=1..8.

E. I. Vatutin, Discussion about properties of diagonal Latin squares at forum.boinc.ru (in Russian)

Index entries for sequences related to Latin squares and rectangles

CROSSREFS

Cf. A307164, A092237.

Sequence in context: A304330 A322731 A048730 * A254526 A156390 A059680

Adjacent sequences:  A307160 A307161 A307162 * A307164 A307166 A307167

KEYWORD

nonn,more

AUTHOR

Eduard I. Vatutin, Mar 27 2019

STATUS

approved

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Last modified July 22 07:23 EDT 2019. Contains 325216 sequences. (Running on oeis4.)