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A059363 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. 4

%I #11 Sep 19 2022 16:00:46

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

%T 203637493,263669781,689256613,1513925617

%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. A001222, A059333.

%K nonn,more

%O 1,2

%A _Naohiro Nomoto_, Jan 28 2001

%E Edited by _Max Alekseyev_, Feb 22 2012

%E a(13)-a(16) from _Sean A. Irvine_, Sep 19 2022

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Last modified March 28 05:02 EDT 2024. Contains 371235 sequences. (Running on oeis4.)