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A253980 Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal maximum nondecreasing horizontally and vertically 1

%I #4 Jan 21 2015 17:46:59

%S 21304,417518,8727838,179261149,3672381306,75620185999,1556452499274,

%T 32027982651882,659238041669648,13568633472966170,279271703727266760,

%U 5748131163323313403,118311298400157452800,2435148116665821992581

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

%C Column 3 of A253985

%H R. H. Hardin, <a href="/A253980/b253980.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A253980/a253980.txt">Empirical recurrence of order 68</a>

%F Empirical recurrence of order 68 (see link above)

%e Some solutions for n=1

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 21 2015

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Last modified July 15 08:33 EDT 2024. Contains 374324 sequences. (Running on oeis4.)