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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A120113 Bi-diagonal inverse of number triangle A120101. 2
1, -6, 1, 0, -5, 1, 0, 0, -14, 1, 0, 0, 0, -3, 1, 0, 0, 0, 0, -11, 1, 0, 0, 0, 0, 0, -13, 1, 0, 0, 0, 0, 0, 0, -2, 1, 0, 0, 0, 0, 0, 0, 0, -17, 1, 0, 0, 0, 0, 0, 0, 0, 0, -19, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1, 1 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Sub-diagonal is -A120114.

LINKS

Table of n, a(n) for n=0..65.

EXAMPLE

Triangle begins

1,

-6, 1,

0, -5, 1,

0, 0, -14, 1,

0, 0, 0, -3, 1,

0, 0, 0, 0, -11, 1,

0, 0, 0, 0, 0, -13, 1,

0, 0, 0, 0, 0, 0, -2, 1,

0, 0, 0, 0, 0, 0, 0, -17, 1,

0, 0, 0, 0, 0, 0, 0, 0, -19, 1,

0, 0, 0, 0, 0, 0, 0, 0, 0, -1, 1

CROSSREFS

Sequence in context: A021625 A011221 A090203 * A074395 A262704 A195402

Adjacent sequences:  A120110 A120111 A120112 * A120114 A120115 A120116

KEYWORD

sign,tabl

AUTHOR

Paul Barry, Jun 09 2006

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 February 24 22:57 EST 2020. Contains 332216 sequences. (Running on oeis4.)