A338358 - OEIS

%I #5 Nov 03 2020 21:47:09

%S 1,2,-1,3,-1,5,-3,7,-6,1,3,-1,11,-9,13,-11,3,-2,1,17,-15,19,-18,1,3,

%T -1,23,-21,5,-3,1,4,-3,29,-27,31,-29,3,-1,5,-3,37,-35,3,-1,41,-39,43,

%U -42,1,3,-1,47,-45,7,-6,1,3,-2,1,53,-51,5,-3,2,59,-57,61,-59,3,-2,1,5,-3,67

%N First differences of A280985.

%H N. J. A. Sloane, <a href="/A338358/b338358.txt">Table of n, a(n) for n = 1..10000</a>

%Y Cf. A280985.

%K sign

%O 1,2

%A _N. J. A. Sloane_, Nov 03 2020