%I #9 Mar 23 2024 17:30:57
%S 4,23,74,130,240,358,566,766,1112,1408,1916,2362,3066,3656,4564,5348,
%T 6544,7522,9014,10184,11966,13430,15602,17366,19820,21858,24814,27150,
%U 30580,33202,37118,40226,44656,48144,52814,56696,62264,66626,72796,77444
%N Number of nondecreasing n..n vectors of length 3 whose dot product with some nondecreasing n..n vector equals 3.
%H R. H. Hardin, <a href="/A226411/b226411.txt">Table of n, a(n) for n = 1..127</a>
%e Some solutions for n=3:
%e 2 0 2 2 1 3 3 1 3 3 0 3 3 1 2 3
%e 2 2 2 3 1 3 2 0 1 1 1 3 3 1 1 0
%e 3 3 3 3 3 3 3 3 3 2 2 2 1 2 0 2
%Y Row 3 of A226410.
%K nonn
%O 1,1
%A _R. H. Hardin_, Jun 06 2013
