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A201274 Number of n X 5 0..2 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.

%I A201274 #12 Mar 18 2024 08:44:26
%S A201274 1,3,16,21,199,556,442,2827,5680,3651,19960,35039,19820,96084,151800,
%T A201274 78205,354360,525467,255143,1089594,1531163,707770,2908481,3937393,
%U A201274 1758805,6976823,9145189,3964264,15328243,19618905,8309214,31406219,39327693,16320584,60602426
%N A201274 Number of n X 5 0..2 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.
%H A201274 Alois P. Heinz, <a href="/A201274/b201274.txt">Table of n, a(n) for n = 0..200</a> (terms n = 1..141 from R. H. Hardin)
%e A201274 Some solutions for n=6
%e A201274 ..0..0..0..0..0....0..0..0..0..2....0..0..0..0..0....0..0..0..0..0
%e A201274 ..0..1..1..1..1....0..0..0..1..2....0..0..0..0..0....0..1..1..1..2
%e A201274 ..0..1..1..1..2....0..0..0..1..2....1..1..1..2..2....0..1..1..2..2
%e A201274 ..0..1..2..2..2....1..1..1..1..2....1..1..1..2..2....0..1..1..2..2
%e A201274 ..0..1..2..2..2....1..1..2..2..2....1..1..1..2..2....0..1..1..2..2
%e A201274 ..0..1..2..2..2....1..1..2..2..2....1..2..2..2..2....0..1..2..2..2
%Y A201274 Column 5 of A201277.
%K A201274 nonn
%O A201274 0,2
%A A201274 _R. H. Hardin_, Nov 29 2011
%E A201274 a(0)=1 prepended by _Alois P. Heinz_, Mar 18 2024