A112709 Unsigned row sums of triangle A112707 (partial sums of Catalan numbers multiplied by powers of negative numbers).

1, 2, 2, 5, 14, 65, 376, 2613, 20761, 184756, 1816330, 19526217, 227588213, 2855033988, 38311846704, 547128228043, 8279365967056, 132259968568859, 2223048616707842, 39199883209336095, 723269314782624612

Offset: 0

Author

Wolfdieter Lang, Oct 31 2005

Keywords

• nonn
• easy

Crossrefs

Cf. A112707, A112708 (signed row sums).

Formula

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