A134272 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A134272

Alternating row sums of triangle A134151.

%I #6 Sep 25 2024 09:43:55

%S 1,3,25,239,3289,53111,1031497,22906903,578734697,16306214743,

%T 508360540457,17354157283287,644314385719593,25842490815894231,

%U 1113789927340848937,51332921853722842327,2519491205735072674601

%N Alternating row sums of triangle A134151.

%F a(n) = Sum_{m=1..n} A134151(n,m)*(-1)^(m-1), n>=1.

%Y Cf. A134152 (row sums of triangle A134151).

%K nonn,easy

%O 1,2

%A _Wolfdieter Lang_, Nov 13 2007