A160477 Row sums of the Zeta triangle A160474

-1, 41, -7843, 252769, -69838386, 32793164357, -1610849246753, 3511931460657095, -16239361950453107572, 8129795565691811281818, -22648638361771185452289570, 3264253036763451979723532099

Offset

2,2

Links

Table of n, a(n) for n=2..13.

Maple

# needs Maple code for Zeta triangle from A160474
for n from 2 to nmax do s(n):=0: for m from 1 to n-1 do s(n):=s(n) + ZETA(n, m) od: od: seq(s(n), n=2..nmax);

Crossrefs

Cf. A160474 (the Zeta triangle).

Sequence in context: A104301 A221300 A221377 * A221344 A325481 A199652

Adjacent sequences: A160474 A160475 A160476 * A160478 A160479 A160480

Keyword

easy,sign

Author

Johannes W. Meijer, May 24 2009

Status

approved