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This is a sequence from 4 X n Chomp. Values of r for which there is a P-position (p,q,q,r).
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%I #4 Jun 18 2022 23:00:59

%S 2,2,4,3,2,4,3,6,7,3,2,3,3,6,8,10,2,4,8,11,5,4,9,5,2,4,5,3,2,9,11,13,

%T 2,6,6,4,3,2,5,12,5,4,5,4,8,11,16,6,3,2,8,5,3,2,6,13,14,9,6,8,4,14,16,

%U 13,8,6,3,5,10,4,2,8,6,9,5,3,2,8,17,14,20,19

%N This is a sequence from 4 X n Chomp. Values of r for which there is a P-position (p,q,q,r).

%K nonn

%O 1,1

%A Csaba Beretka (bcs183(AT)freemail.hu), Nov 20 2008