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(Terms in A028266)/2.
0

%I #3 Mar 31 2012 10:30:23

%S 2,2,4,3,3,13,4,13,13,4,17,45,17,5,5,74,133,161,133,74,6,32,207,294,

%T 294,207,32,6,38,501,588,501,38,7,440,1089,1089,440,7,215,2178,215,8,

%U 59,1859,3146,3146,1859,59,8,67,1092,5005,8151,5005,1092,67,9,9,468

%N (Terms in A028266)/2.

%Y A028266, A028262.

%K nonn

%O 0,1

%A _James A. Sellers_