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Triangle read by rows: left half of trinomial triangle (A027907) modulo 3.
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%I #2 Mar 31 2012 10:28:54

%S 1,1,1,1,2,0,1,0,0,1,1,1,1,1,1,1,2,0,0,0,0,1,0,0,2,0,0,0,1,1,1,2,2,2,

%T 0,0,1,2,0,1,2,0,1,2,0,1,0,0,0,0,0,0,0,0,1,1,1,1,0,0,0,0,0,0,1,1

%N Triangle read by rows: left half of trinomial triangle (A027907) modulo 3.

%Y Cf. A027907, A111808

%K nonn,tabl

%O 1,5

%A _Reikku Kulon_, Oct 03 2008