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A105810 Inverse of a Fibonacci-Pascal matrix A105809. 3
1, -1, 1, 0, -2, 1, 1, 2, -3, 1, -2, -1, 5, -4, 1, 3, -1, -6, 9, -5, 1, -4, 4, 5, -15, 14, -6, 1, 5, -8, -1, 20, -29, 20, -7, 1, -6, 13, -7, -21, 49, -49, 27, -8, 1, 7, -19, 20, 14, -70, 98, -76, 35, -9, 1, -8, 26, -39, 6, 84, -168, 174, -111, 44, -10, 1, 9, -34, 65, -45, -78, 252, -342, 285, -155, 54, -11, 1 (list; table; graph; refs; listen; history; internal format)
OFFSET

0,5

COMMENTS

First column is A105811, row sums are A105812, diagonal sums are (-1)^n.

FORMULA

Riordan array ((1+x-x^2)/(1+x)^2, x/(1+x)); Number triangle T(n, 0)=A105811(n), T(n, m)=-T(n-1, m-1)+T(n-1, m).

EXAMPLE

1;

-1,1;

0,-2,1;

1,2,-3,1;

-2,-1,5,-4,1;

3,-1,-6,9,-5,1;

CROSSREFS

Sequence in context: A177219 A140191 A048207 * A063726 A181118 A179009

Adjacent sequences:  A105807 A105808 A105809 * A105811 A105812 A105813

KEYWORD

easy,sign,tabl

AUTHOR

Paul Barry (pbarry(AT)wit.ie), May 04 2005

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Last modified February 16 07:39 EST 2012. Contains 205881 sequences.