%I

%S 1,2,25,745,2306,7081,31945,435866,716881,733442,4106917,21714577

%N Lexicographically earliest 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