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A105538 Row sums of triangle A105537, which equals the matrix square of triangle A105535. 2

%I #3 Mar 30 2012 18:36:45

%S 1,3,9,17,61,138,238,634,1421,2707,4487,9709,27875,82827,219133,

%T 524502,1262352,3276409,8827139,22596514,54006726,122265827,275484693,

%U 658076339,1654581392,4100759772,9761051499,22296252002,49175830726

%N Row sums of triangle A105537, which equals the matrix square of triangle A105535.

%C Also equals column 0 of triangle A105539. Triangular matrix A105535 has the property that diagonal n equals A105535^(n+1) when flattened as read by rows.

%Y Cf. A105535, A105537.

%K nonn

%O 0,2

%A _Paul D. Hanna_, Apr 12 2005

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Last modified April 25 10:33 EDT 2024. Contains 371967 sequences. (Running on oeis4.)