A112706 Row sums of triangle A112705.

1, 2, 4, 9, 26, 103, 542, 3529, 26901, 232416, 2233500, 23576045, 270690473, 3353312672, 44520193362, 629960268107, 9456454463204, 149995788999117, 2505304374275816, 43928236200319751, 806397434192280456

Offset

0,2

Links

Table of n, a(n) for n=0..20.

Formula

a(n) = Sum_{m=0..n} A112705(n, m).

Crossrefs

Cf. A112705.

Sequence in context: A004252 A114957 A002773 * A359502 A110138 A148085

Adjacent sequences: A112703 A112704 A112705 * A112707 A112708 A112709

Keyword

nonn,easy

Author

Wolfdieter Lang, Oct 31 2005

Status

approved