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Column 0 of triangle A055905.
1

%I #3 Mar 30 2012 17:37:11

%S 1,-1,2,-5,12,-17,-62,677,-2840,-1451,119954,-866857,472540,52538185,

%T -517302474,410579683,47022181040,-542323525061,101360204230,

%U 74342770852033,-905627986876452,-1359339244442825,186336992053330034

%N Column 0 of triangle A055905.

%K sign

%O 0,3

%A _Christian G. Bower_, Jun 13 2000