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Unsigned row sums of triangle A112707 (partial sums of Catalan numbers multiplied by powers of negative numbers).
2

%I #6 Mar 15 2023 11:55:30

%S 1,2,2,5,14,65,376,2613,20761,184756,1816330,19526217,227588213,

%T 2855033988,38311846704,547128228043,8279365967056,132259968568859,

%U 2223048616707842,39199883209336095,723269314782624612

%N Unsigned row sums of triangle A112707 (partial sums of Catalan numbers multiplied by powers of negative numbers).

%F a(n) = Sum_{m=0..n} |A112707(n, m)|, for n >= 0.

%Y Cf. A112707, A112708 (signed row sums).

%K nonn,easy

%O 0,2

%A _Wolfdieter Lang_, Oct 31 2005