login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A128065 Binomial transform of A128064. 1
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, 30, 7, -6, -28, -42, 0, 70, 84, 42, 8, -7, -40, -84, -56, 70, 168, 240, 56, 9, -8, -54, -144, -168, 0, 252, 336, 216, 72, 10 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

A128064 * A007318 = A103406 Row sums = 2^(n-1)

LINKS

Table of n, a(n) for n=1..55.

FORMULA

A007318 * A128064 as infinite lower triangular matrices.

EXAMPLE

First few rows of the triangle are:

1;

0, 2;

-1, 2, 3;

-2, 0, 6, 4;

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

...

CROSSREFS

Cf. A128064, A103406.

Sequence in context: A014046 A243919 A231775 * A277889 A018194 A286281

Adjacent sequences:  A128062 A128063 A128064 * A128066 A128067 A128068

KEYWORD

tabl,sign

AUTHOR

Gary W. Adamson, Feb 14 2007

STATUS

approved

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 June 20 00:47 EDT 2019. Contains 324223 sequences. (Running on oeis4.)