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%I #8 Apr 14 2019 17:25:45
%S 1,2,1,3,3,3,3,3,3,1,3,3,3,3,3,3,4,3,3,3,3,3,7,3,3,3,3,3,7,3,3,3,3,3,
%T 10,3,3,3,3,10,3,3,3,13,3,3,3,13,3,3,3,16,3,3,16,3,3,16,3,3,16,3,3,16,
%U 3,3,16,3,3,16,3,3,16,3,3,19,3,19,3,3,16,3
%N First differences of A307518.
%H Alois P. Heinz, <a href="/A307558/b307558.txt">Table of n, a(n) for n = 1..10000</a>
%F a(n) = A307518(n+1) - A307518(n).
%Y Cf. A307518.
%K nonn
%O 1,2
%A _Alois P. Heinz_, Apr 14 2019