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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
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
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 March 29 02:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)