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A246662
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a(n) = 2*(K(n,2)*I(4,2) - (-1)^n*I(n,2)*K(4,2)) where I(n,x) and K(n,x) are Bessel functions.
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0
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-10, 7, -3, 1, 0, 1, 5, 31, 222, 1807, 16485, 166657, 1849712, 22363201, 292571325, 4118361751, 62067997590, 997206323191, 17014575491837, 307259565176257, 5854946313840720, 117406185841990657, 2471384848995644517, 54487872863746170031, 1255692460715157555230
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OFFSET
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0,1
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LINKS
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FORMULA
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a(n) = a(-n).
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MAPLE
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a := n -> 2*(BesselK(n, 2)*BesselI(4, 2)-(-1)^n*BesselI(n, 2)* BesselK(4, 2)); seq(round(evalf(a(n), 99)), n=0..24);
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CROSSREFS
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KEYWORD
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sign
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AUTHOR
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STATUS
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approved
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