The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.



(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A134277 Alternating row sums of triangle A134275 (S2(5)'). 2


%S 1,4,41,519,9201,194819,4951381,144651394,4811109506,178860848394,

%T 7364318416206,332403272058269,16329673772560231,867235540509998269,

%U 49517829071816599856,3024950770151869836519,196866838411908745248981

%N Alternating row sums of triangle A134275 (S2(5)').

%F a(n)=sum(A134275(n,m)*(-1)^(m-1),m=1..n), n>=1.

%Y Cf. A134276 (row sums of triangle A134275).

%K nonn,easy

%O 1,2

%A _Wolfdieter Lang_ Nov 13 2007

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 25 09:26 EDT 2020. Contains 337335 sequences. (Running on oeis4.)