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%I #18 Nov 20 2019 02:32:42
%S 2,3,4,3,4,4,4,4,6,4,6,5,4,5,4,7,5,6,5,5,6,5,7,5,5,6,5,5,8,5,6,8,6,7,
%T 6,6,8,5,6,7,5,6,6,6,6,7,9,5,8,5,6,7,6,5,4,9,9,6,6,6,8,8,6,6,10,5,8,9,
%U 9,7,8,5,6,8,5,8,8,7,9,8,6,6,7,8,7,8,5,6,7,6,8,6,8,5,8,5,8,10,9,11,8,6
%N First differences of A049880.
%C For the first 1000 terms, the largest value is 17 for a(m) with m = (298, 711, 874, 940, 946, 991).
%H Zak Seidov, <a href="/A253250/b253250.txt">Table of n, a(n) for n = 1..1000</a>
%F a(n) = A049880(n+2) - A049880(n+1) (note offset = 2 in A049880).
%Y Cf. A000040, A049880, A049881, A049882.
%K nonn
%O 1,1
%A _Zak Seidov_, Jun 05 2015