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A253540 Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal minimum nonincreasing horizontally and nondecreasing vertically 1

%I #4 Jan 03 2015 11:36:35

%S 119040,2801200,57759744,1181976144,23704397056,477165435664,

%T 9486518960384,188451522370576,3732858158990080,73987009453198864,

%U 1464904274903846656,29002521973804404240,573819830026216281344

%N Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal minimum nonincreasing horizontally and nondecreasing vertically

%C Column 4 of A253544

%H R. H. Hardin, <a href="/A253540/b253540.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A253540/a253540.txt">Empirical recurrence of order 86</a>

%F Empirical recurrence of order 86 (see link above)

%e Some solutions for n=1

%e ..0..1..0..1..0..0....0..1..1..0..0..0....0..0..0..0..0..1....1..1..0..1..1..0

%e ..1..1..1..0..1..1....1..0..1..0..1..0....0..1..0..1..0..1....0..0..0..0..1..1

%e ..1..0..0..1..1..1....0..0..1..1..0..0....0..0..0..1..0..0....0..1..0..0..1..0

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 03 2015

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Last modified March 28 16:58 EDT 2024. Contains 371254 sequences. (Running on oeis4.)