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A094675 Coefficients of polynomial in x multiplying cosh(x) in the modified spherical Bessel function of the first kind i_n(x). 2
1, 0, -3, 0, 1, 0, 15, 0, -10, 0, -105, 0, 1, 0, 105, 0, 945, 0, -21, 0, -1260, 0, -10395, 0, 1, 0, 378, 0, 17325, 0, 135135, 0, -36, 0, -6930, 0, -270270, 0, -2027025, 0, 1, 0, 990, 0, 135135, 0, 4729725, 0, 34459425, 0, -55, 0, -25740, 0, -2837835, 0, -91891800, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..57.

EXAMPLE

Sinh(x)/x, (x*cosh(x) - sinh(x))/x^2, (-3*x*cosh(x) + (3 + x^2)*sinh(x))/x^3, ...

Triangle begins:

    1, 0;

   -3, 0;

    1, 0,   15, 0;

  -10, 0, -105, 0;

    1, 0,  105, 0, 945, 0;

  ...

CROSSREFS

Cf. A094674.

Sequence in context: A185951 A188832 A279514 * A307808 A200472 A309887

Adjacent sequences:  A094672 A094673 A094674 * A094676 A094677 A094678

KEYWORD

sign,tabf

AUTHOR

Eric W. Weisstein, May 19 2004

EXTENSIONS

Keyword tabf from Michel Marcus, May 06 2020

STATUS

approved

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Last modified August 1 19:59 EDT 2021. Contains 346402 sequences. (Running on oeis4.)