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%I
%S 1,2,25,745,2306,7081,31945,435866,716881,733442,4106917,21714577
%N Lexicographically smallest increasing sequence of positive integers such that A001222(a(i)+a(j)) = A001222(a(i)) + A001222(a(j)) for all 1<=i<j.
%C The values of A001222(a(n)) are 0,1,2,2,2,... and are conjectured to be 2 for all n > 2.
%Y Cf. A059333.
%K nonn,more
%O 1,2
%A _Naohiro Nomoto_, Jan 28 2001
%E Edited by _Max Alekseyev_, Feb 22 2012
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