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%I #9 Mar 23 2024 17:31:22
%S 3,14,22,34,50,66,90,114,138,170,210,234,282,330,362,410,474,522,594,
%T 642,690,770,858,906,986,1082,1154,1226,1338,1402,1522,1618,1698,1826,
%U 1922,1994,2138,2282,2378,2474,2634,2730,2898,3018,3114,3290,3474,3570,3738
%N Number of nondecreasing -n..n vectors of length 2 whose dot product with some other -n..n vector equals 2.
%H R. H. Hardin, <a href="/A226341/b226341.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=3:
%e -1 -2 2 -2 2 1 1 -3 -3 -2 1 -1 -2 -3 0 -1
%e 2 -1 2 2 3 3 2 1 -2 1 1 0 -2 -1 1 3
%Y Row 2 of A226340.
%K nonn
%O 1,1
%A _R. H. Hardin_, Jun 04 2013
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