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A267266 Number of 5Xn arrays containing n copies of 0..5-1 with every element equal to or 1 greater than any north, northeast or northwest neighbors modulo 5 and the upper left element equal to 0. 0

%I #5 Aug 12 2016 06:54:00

%S 1,1,1,1,1,1,1,1,1,23,303,6023,96925,1428753,19082405,238337055,

%T 2823649207,32155269155,354779733589,3815483693749,40182530936197

%N Number of 5Xn arrays containing n copies of 0..5-1 with every element equal to or 1 greater than any north, northeast or northwest neighbors modulo 5 and the upper left element equal to 0.

%C Row 5 of A267264.

%e Some solutions for n=12

%e ..0..1..0..0..4..4..3..3..2..2..2..2....0..4..4..3..3..2..2..2..1..1..0..1

%e ..1..1..1..0..0..4..4..3..3..3..2..2....0..0..4..4..3..3..3..2..2..1..1..1

%e ..1..1..1..1..0..0..4..4..4..3..3..3....1..0..0..4..4..4..3..3..2..2..2..2

%e ..2..2..2..1..1..0..0..4..4..4..3..3....1..1..0..0..0..4..4..3..3..3..2..2

%e ..2..3..2..2..1..1..0..0..0..4..4..3....1..1..1..0..0..0..4..4..4..3..3..2

%Y Cf. A267264.

%K nonn

%O 1,10

%A _R. H. Hardin_, Jan 12 2016

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Last modified April 19 15:11 EDT 2024. Contains 371794 sequences. (Running on oeis4.)