A160489 Row sums of the Lambda triangle A160487

1, -97, 52558, -5240581, 4720558732, -7481314964114, 1271274660247796, -9765829515601025979, 161400398363673797534104, -292099194247292179451930316, 2969226837548487086516550438360

Offset

2,2

Comments

In order to determine the row sums add the Maple line given below to the Lambda triangle algorithm, see A160487.

Links

Table of n, a(n) for n=2..12.

Maple

for n from 2 to nmax do s(n):=0: for m from 1 to n-1 do s(n):=s(n) + LAMBDA(n, m) od: od: seq(s(n), n=2..nmax);

Crossrefs

A160487 is the Lambda triangle.

Sequence in context: A321041 A173354 A176135 * A220982 A193825 A338779

Adjacent sequences: A160486 A160487 A160488 * A160490 A160491 A160492

Keyword

easy,sign

Author

Johannes W. Meijer, May 24 2009

Extensions

Spelling corrected by Jason G. Wurtzel, Aug 22 2010

Status

approved