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

 

Logo

Many excellent designs for a new banner were submitted. We will use the best of them in rotation.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A152432 Triangle read by rows, inverse binomial transform of A152432 2
1, 0, 1, 1, -1, 2, 2, 2, -4, 5, 7, 0, 8, -15, 15, 26, 7, -8, 35, -60, 52, 109, 19, 22, -55, 165, -260, 203, 500, 90, 16, 110, -330, 832, -1218, 877, 2485, 410, 164, -70, 660, -1976, 4466, -6139, 4140, 13262, 2075, 656, 480, -870, 4264, -12180, 25433, -33120, 21147 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

0,6

COMMENTS

Row sums = the Bell numbers, A000110: (1, 1, 2, 5, 15, 52, 203,...).

LINKS

Table of n, a(n) for n=0..54.

FORMULA

A007318^(-1) * A152432 as infinite lower triangular matrices.

EXAMPLE

First few rows of the triangle =

1;

0, 1;

1, -1, 2;

2, 2, -4, 5;

7, 0, 8, -15, 15;

26, 7, -8, 35, -60, 52;

109, 19, 22, -55, 165, -260, 203;

500, 90, 16, 110, -330, 832, -1218, 877;

2485, 410, 164, -70, 660, -1976, 4466, -6139, 4140;

13262, 2075, 656, 480, -870, 4264, -12180, 25433, -33120, 21147;

...

CROSSREFS

A152431, A000110

Sequence in context: A008282 A074765 A029045 * A057591 A024405 A230381

Adjacent sequences:  A152429 A152430 A152431 * A152433 A152434 A152435

KEYWORD

tabl,sign

AUTHOR

Gary W. Adamson, Dec 04 2008

STATUS

approved

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

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

Last modified April 23 17:46 EDT 2014. Contains 240946 sequences.