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A006041
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a(n+1) = (n^2 - 1) a(n) + n + 1.
(Formerly M1949)
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0
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0, 2, 9, 76, 1145, 27486, 962017, 46176824, 2909139921, 232731193690, 23040388175321, 2764846581038532, 395373061088510089, 66422674262869694966, 12952421481259590518385
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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REFERENCES
| R. K. Guy, personal communication.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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LINKS
| Index entries for sequences related to Bessel functions or polynomials
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FORMULA
| Nearest integer to BesselI(1, 2)*(n-1)!*(n-1)!*n/(n-1), n>2.
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CROSSREFS
| Sequence in context: A058164 A006059 A182947 * A192551 A121131 A166891
Adjacent sequences: A006038 A006039 A006040 * A006042 A006043 A006044
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KEYWORD
| nonn,easy
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Simon Plouffe (simon.plouffe(AT)gmail.com)
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EXTENSIONS
| More terms from James A. Sellers (sellersj(AT)math.psu.edu), May 01 2000
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