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A178535 Matrix inverse of A178534. 3
1, -2, 1, -1, -1, 1, 0, -1, -1, 1, -1, -1, 0, -1, 1, 1, 0, -2, 0, -1, 1, -1, -1, 0, -1, 0, -1, 1, 0, 0, 0, -1, -1, 0, -1, 1, 0, 0, -1, -1, 0, -1, 0, -1, 1, 1, 0, -1, 1, -2, 0, -1, 0, -1, 1, -1, -1, 0, -1, 0, -1, 0, -1, 0, -1, 1, 0, 1, 1, -1, 0, -1, -1, 0, -1, 0, -1, 1, -1, -1, 0, -1, 0, -1, 0 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Except for first term row sums equal a signed version of A023022.

LINKS

Table of n, a(n) for n=1..85.

EXAMPLE

Table begins:

.1

-2..1

-1.-1..1

.0.-1.-1..1

-1.-1..0.-1..1

.1..0.-2..0.-1..1

-1.-1..0.-1..0.-1..1

.0..0..0.-1.-1..0.-1..1

.0..0.-1.-1..0.-1..0.-1..1

.1..0.-1..1.-2..0.-1..0.-1..1

-1.-1..0.-1..0.-1..0.-1..0.-1..1

MAPLE

A178535 := proc(n, l)

    option remember;

    a := 0 ;

    if n = l then

        a := 1 ;

    end if;

    for k from l to n-1 do

        a := a-A178534(n, k)*procname(k, l) ;

    end do:

    a/A178534(n, n) ;

end proc:

seq(seq(A178535(n, k), k=1..n), n=1..12) ; # R. J. Mathar, Oct 28 2010

CROSSREFS

Cf. First column is A178536.

Sequence in context: A050372 A037802 A037879 * A025449 A047988 A037818

Adjacent sequences:  A178532 A178533 A178534 * A178536 A178537 A178538

KEYWORD

sign,tabl,changed

AUTHOR

Mats Granvik, May 29 2010

STATUS

approved

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Last modified September 25 21:33 EDT 2017. Contains 292500 sequences.