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A056593 Row sums of unsigned triangle A056588. 2

%I

%S 1,2,4,10,32,132,692,4620,39352,427572,5918992,104375880,2344751912,

%T 67092113592,2444702271152,113425536387240,6700361921561152,

%U 503909247633965712,48243317287320644752,5879293173259041034800

%N Row sums of unsigned triangle A056588.

%F a(n)= sum(((-1)^(floor((m+1)/2)))*A056588(n, m), m=0..n), n >= 0.

%Y Cf. A000045, A056588, A056592.

%K nonn,easy

%O 0,2

%A _Wolfdieter Lang_ Jul 10 2000

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Last modified September 30 00:37 EDT 2020. Contains 337432 sequences. (Running on oeis4.)