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A250960 Number of (n+1)X(3+1) 0..3 arrays with no 2X2 subblock having its minimum diagonal element less than its minimum antidiagonal element 1

%I #4 Nov 29 2014 07:12:12

%S 14423,768855,42534386,2395598690,134817198768,7555575891628,

%T 422498268460458,23613315121132337,1319861026495444120,

%U 73783397172682901663,4124914218135502826007,230608643084497820614344

%N Number of (n+1)X(3+1) 0..3 arrays with no 2X2 subblock having its minimum diagonal element less than its minimum antidiagonal element

%C Column 3 of A250965

%H R. H. Hardin, <a href="/A250960/b250960.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A250960/a250960.txt">Empirical recurrence of order 75</a>

%F Empirical recurrence of order 75 (see link above)

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 29 2014

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Last modified April 23 03:30 EDT 2024. Contains 371906 sequences. (Running on oeis4.)