A291078 Number of prime 3-ary toroidal arrays with n rows and n columns.

3, 18, 2192, 2690028, 33891544512, 4169295414184440, 4883659780216684278864, 53651309692070478619341132840, 5474401089420219382077156121856117424, 5153775207320113310364604118676335808983329056, 44553974378043749018508590814287728257805180848046038672

Offset

1,1

Links

Alois P. Heinz, Table of n, a(n) for n = 1..45

Veronika Irvine, Lace Tessellations: A mathematical model for bobbin lace and an exhaustive combinatorial search for patterns, PhD Dissertation, University of Victoria, 2016. See Table A.2.

Crossrefs

Sequence in context: A131489 A069854 A316369 * A335181 A297536 A157556

Adjacent sequences: A291075 A291076 A291077 * A291079 A291080 A291081

Keyword

nonn

Author

N. J. A. Sloane, Aug 18 2017

Extensions

More terms from Alois P. Heinz, Aug 20 2017

Status

approved