A145358 Row sums of triangle A145357 and of array A145356.

1, 7, 49, 421, 3697, 37933, 404341, 4841341, 61291861, 848268421, 12465197269, 197121724549, 3302727019621, 58876330343173, 1107627703783909, 21990846791015845, 458649487144877029, 10035575758396240549, 229687317927141716005, 5489966024995169233573

Offset

1,2

Links

Table of n, a(n) for n=1..20.

Formula

a(n) = Sum_{m=1..n} A145357(n,m).

Crossrefs

Cf. A145356, A145357.

Sequence in context: A366501 A090016 A005924 * A366437 A195514 A204211

Adjacent sequences: A145355 A145356 A145357 * A145359 A145360 A145361

Keyword

nonn,easy

Author

Wolfdieter Lang, Oct 17 2008

Extensions

Changed offset from 0 to 1 by Wolfdieter Lang, Nov 17 2008

Status

approved