|
%I #5 Apr 04 2017 06:59:18
%S -1,-1,1,2,2,4,5,4,7,8,8,10,11,11,13,14,14,16,17,17,19,20,19,22,23,23,
%T 25,26,26,28,29,29,31,32,32,34,35,34,37,38,38,40,41,41,43,44,44,46,47,
%U 47,49,50,47,52,53,53,55,56,56,58,59,59,61,62,62,64,65,64,67,68,68,70,71,71,73,74,74
%N (2n+1-A284721(n))/2.
%Y Cf. A284721.
%K sign
%O 0,4
%A _N. J. A. Sloane_, Apr 04 2017
|
