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A287651 Number of reduced pairs of orthogonal diagonal Latin squares of order n. 0
1, 0, 0, 2, 4, 0, 320, 1322496 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

COMMENTS

A pair of orthogonal diagonal Latin squares is reduced if their first rows are in natural order.

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)

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

E. I. Vatutin, S. E. Kochemazov, O. S. Zaikin, M. O. Manzuk, V. S. Titov, Combinatorial characteristics estimating for pairs of orthogonal diagonal Latin squares, Multicore processors, parallel programming, FPGA, signal processing systems (2017), pp. 104-111 (in Russian)

Index entries for sequences related to Latin squares and rectangles

CROSSREFS

Cf. A266166.

Sequence in context: A317411 A309598 A305570 * A163259 A309785 A188668

Adjacent sequences:  A287648 A287649 A287650 * A287652 A287653 A287654

KEYWORD

nonn,more

AUTHOR

Eduard I. Vatutin, May 29 2017

EXTENSIONS

a(8) added by Eduard I. Vatutin, Jan 02 2018

STATUS

approved

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Last modified October 23 14:11 EDT 2019. Contains 328345 sequences. (Running on oeis4.)