login
First differences of A291577.
0

%I #17 Sep 11 2017 09:55:54

%S 1,2,2,-3,6,3,3,-10,5,10,5,5,5,-28,7,7,7,14,7,7,7,7,7,-66,11,11,11,11,

%T 11,22,11,11,11,11,11,-130,13,13,13,13,13,13,13,13,13,26,13,13,13,13,

%U 13,-204,17,17,17,17,17,17,17,17,17,17,17,34,17,17,17,17,17,-304,19

%N First differences of A291577.

%C Looks like an EKG sequence.

%F a(n) = A291577(n+1) - A291577(n).

%Y Cf. A291577.

%K sign

%O 0,2

%A _Enrique Navarrete_, Sep 04 2017