%I #8 Apr 11 2022 18:04:45
%S 4096,1600000,72105068,1229044416,12652618110,96914926654,
%T 618703866073,3548209715979,19271137728483,102347986047920,
%U 537384393939360,2776104877172612,13950578706978266,67469676772365413,311817626166418846
%N Number of 6 X n 0..3 arrays with rows unimodal and antidiagonals nondecreasing.
%C Row 6 of A224204.
%H R. H. Hardin, <a href="/A224208/b224208.txt">Table of n, a(n) for n = 1..210</a>
%H R. H. Hardin, <a href="/A224208/a224208.txt">Empirical polynomial of degree 36</a>
%F Empirical polynomial of degree 36 (see link above).
%e Some solutions for n=3
%e ..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0
%e ..0..0..2....0..0..2....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0
%e ..0..2..2....0..2..0....2..2..2....2..2..1....0..0..1....2..2..1....2..2..1
%e ..2..3..2....2..3..0....2..3..0....3..3..1....0..2..1....2..2..2....2..2..1
%e ..3..2..0....3..2..2....3..0..0....3..1..1....2..2..2....3..3..3....2..2..2
%e ..3..2..0....2..3..1....3..0..0....1..3..1....3..2..1....3..3..1....2..3..2
%Y Cf. A224204.
%K nonn
%O 1,1
%A _R. H. Hardin_, Apr 01 2013
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