OFFSET

1,3

LINKS

E. N. Gilbert, Latin squares which contain no repeated digrams, SIAM Rev. 7 1965 189--198. MR0179095 (31 #3346).

K. Haymaker and B. Malmskog, What (quilting) circles can be squared?, preprint 2017, to appear in Mathematics Magazine.

Beth Malmskog, Python Code to Compute Sequence

PROG

(Python) # See Malmskog link.

CROSSREFS

KEYWORD

nonn,more

AUTHOR

Beth Malmskog, May 01 2019

STATUS

approved