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A267753 Number of 5Xn arrays containing n copies of 0..5-1 with every element equal to or 1 greater than any north neighbor modulo 5 and the upper left element equal to 0. 1

%I

%S 1,11,313,13451,679735,37668275,2218059985,136270559675,8639673619975,

%T 561345949073501,37199029884576055,2505536459782428275,

%U 171083113958746029535,11818808909940579018035,824717389713663500108473

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

%C Row 5 of A267751.

%H R. H. Hardin, <a href="/A267753/b267753.txt">Table of n, a(n) for n = 1..16</a>

%e Some solutions for n=4

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

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

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

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

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

%Y Cf. A267751.

%K nonn

%O 1,2

%A _R. H. Hardin_, Jan 20 2016

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Last modified July 2 21:48 EDT 2022. Contains 355029 sequences. (Running on oeis4.)