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

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A128065 Binomial transform of A128064. 1

%I #14 Sep 08 2022 08:45:30

%S 1,0,2,-1,2,3,-2,0,6,4,-3,-4,6,12,5,-4,-10,0,20,20,6,-5,-18,-15,20,45,

%T 30,7,-6,-28,-42,0,70,84,42,8,-7,-40,-84,-56,70,168,140,56,9,-8,-54,

%U -144,-168,0,252,336,216,72,10

%N Binomial transform of A128064.

%C A128064 * A007318 = A103406 row sums = 2^(n-1).

%F A007318 * A128064 as infinite lower triangular matrices.

%e First few rows of the triangle are:

%e 1;

%e 0, 2;

%e -1, 2, 3;

%e -2, 0, 6, 4;

%e -3, -4, 6, 12, 5;

%e ...

%t Table[(k + 1) (Binomial[n, k] - Binomial[n, k + 1]), {n, 0,

%t 12}, {k, 0, n}] // Flatten (* _Nathaniel MacFadden_, Jul 11 2019 *)

%o (Magma) /* As triangle */ [[(k+1)*(Binomial(n,k)-Binomial(n,k+1)): k in [0..n]]: n in [0.. 15]]; // _Vincenzo Librandi_, Jul 12 2019

%Y Cf. A128064, A103406.

%K tabl,sign

%O 1,3

%A _Gary W. Adamson_, Feb 14 2007

%E a(43) corrected by _Nathaniel MacFadden_, Jul 11 2019

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 3 16:12 EDT 2024. Contains 375672 sequences. (Running on oeis4.)