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A051734 a(n) = Sum_{i=0..n-1} (-1)^i * min(i+1,n-i) * a(i), a(0)=1. 1

%I #8 Jan 07 2023 10:52:34

%S 1,1,0,-1,0,1,1,2,0,-2,-2,-4,-1,1,1,2,3,7,4,5,-1,-8,-5,-7,-6,-11,-4,

%T -1,4,13,8,11,5,4,-4,-16,-5,1,2,5,8,19,12,17,-3,-26,-18,-28,-17,-23,0,

%U 23,12,13,5,2,-4,-14,-14,-28,-1,25,18,29,22,37,10,-7,-13,-32,-15,-13,-14

%N a(n) = Sum_{i=0..n-1} (-1)^i * min(i+1,n-i) * a(i), a(0)=1.

%H Seiichi Manyama, <a href="/A051734/b051734.txt">Table of n, a(n) for n = 0..10000</a>

%K easy,sign

%O 0,8

%A Klaus Strassburger (strass(AT)ddfi.uni-duesseldorf.de), Dec 06 1999

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Last modified April 19 05:02 EDT 2024. Contains 371782 sequences. (Running on oeis4.)