Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
%I #3 Mar 30 2012 18:39:45
%S -2,-3,-4,-4,-3
%N a(n) = A000040(n) - A133578(n).
%F a(n) = A000040(n) - A133578(n)
%e a(1) = 2 - 4 = -2 -> for prime 2
%e a(2) = 3 - 6 = -3 -> for prime 3
%e a(3) = 5 - 9 = -4 -> for prime 5
%e a(4) = 7 - 11 = -4 -> for prime 7
%e a(5) = 11 - 14 = -3 -> for prime 11
%Y Cf. A133578, A000040.
%K sign
%O 1,1
%A _Alexander R. Povolotsky_, Jan 06 2008