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A104556 Matrix inverse of triangle A001497 of Bessel polynomials, read by rows; essentially the same as triangle A096713 of modified Hermite polynomials. 0
1, -1, 1, 0, -3, 1, 0, 3, -6, 1, 0, 0, 15, -10, 1, 0, 0, -15, 45, -15, 1, 0, 0, 0, -105, 105, -21, 1, 0, 0, 0, 105, -420, 210, -28, 1, 0, 0, 0, 0, 945, -1260, 378, -36, 1, 0, 0, 0, 0, -945, 4725, -3150, 630, -45, 1, 0, 0, 0, 0, 0, -10395, 17325, -6930, 990, -55, 1, 0, 0, 0, 0, 0, 10395, -62370, 51975, -13860, 1485, -66, 1 (list; table; graph; refs; listen; history; internal format)
OFFSET

0,5

COMMENTS

Row sums are found in A001464 (offset 1). Absolute row sums equal A000085.

LINKS

H. Han and S. Seo, Combinatorial proofs of inverse relations and log-concavity for Bessel numbers, Eur. J. Combinat. 29 (7) (2008) 1544-1554. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Mar 20 2009]

EXAMPLE

Rows begin:

1;

-1,1;

0,-3,1;

0,3,-6,1;

0,0,15,-10,1;

0,0,-15,45,-15,1;

0,0,0,-105,105,-21,1;

0,0,0,105,-420,210,-28,1;

0,0,0,0,945,-1260,378,-36,1;

0,0,0,0,-945,4725,-3150,630,-45,1; ...

The columns being equal in absolute value to

the rows of the matrix inverse A001497:

1;

1,1;

3,3,1;

15,15,6,1;

105,105,45,10,1;

945,945,420,105,15,1; ...

CROSSREFS

Cf. A096713, A001497, A001464, A000085.

Sequence in context: A036870 A036874 A049403 * A116089 A122016 A067882

Adjacent sequences:  A104553 A104554 A104555 * A104557 A104558 A104559

KEYWORD

sign,tabl

AUTHOR

Paul D. Hanna (pauldhanna(AT)juno.com), Mar 14 2005

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Last modified February 17 08:40 EST 2012. Contains 205998 sequences.