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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A128189 Moebius transform of A128174. 1
1, -1, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, -1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, -1, 1, -1, 1, 0, 1, 0, 1 (list; table; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Row sums = A083290: (1, 0, 1, 1, 2, 1, 3, 2, 3, 2,...)

FORMULA

A054525 * A128174 as infinite lower triangular matrices.

EXAMPLE

First few rows of the triangle are:

1;

-1, 1;

0, 0, 1;

0, 0, 0, 1;

0, 0, 1, 0, 1;

...

CROSSREFS

Cf. A051731, A128174, A083290.

Sequence in context: A105349 A096606 A128190 * A115512 A115513 A133080

Adjacent sequences:  A128186 A128187 A128188 * A128190 A128191 A128192

KEYWORD

tabl,sign

AUTHOR

Gary W. Adamson (qntmpkt(AT)yahoo.com), Feb 17 2007

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 14 23:53 EST 2012. Contains 205689 sequences.