A274701 - OEIS

%I #27 Nov 27 2016 21:15:09

%S 1,2,1,2,2,2,3,2,3,2,3,3,3,3,3,4,3,4,3,4,3,4,4,4,4,4,4,4,5,4,5,4,5,4,

%T 5,4,5,5,5,5,5,5,5,5,5,6,5,6,5,6,5,6,5,6,5,6,6,6,6,6,6,6,6,6,6,6,7,6,

%U 7,6,7,6,7,6,7,6,7,6,7,7,7,7,7,7,7,7,7,7,7,7,7,8,7,8,7,8,7,8,7,8,7,8,7,8

%N First differences of A259280.

%H Peter Kagey, <a href="/A274701/b274701.txt">Table of n, a(n) for n = 1..10000</a>

%F If n is in A185869 then a(n) = ceiling(k) else a(n) = floor(k) where k is (A002024(n) + 1)/2.

%Y Cf. A259280, A185869, A002024.

%K nonn

%O 1,2

%A _Braxton Carrigan_, _Peter Kagey_, Joseph O'Brien, Jul 06 2016