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 A096789 Decimal expansion of BesselI(1,2). 20
 1, 5, 9, 0, 6, 3, 6, 8, 5, 4, 6, 3, 7, 3, 2, 9, 0, 6, 3, 3, 8, 2, 2, 5, 4, 4, 2, 4, 9, 9, 9, 6, 6, 6, 2, 4, 7, 9, 5, 4, 4, 7, 8, 1, 5, 9, 4, 9, 5, 5, 3, 6, 6, 4, 7, 1, 3, 2, 2, 8, 7, 9, 8, 4, 6, 0, 8, 5, 4, 5, 0, 3, 7, 5, 3, 5, 3, 6, 1, 1, 8, 5, 1, 1, 6, 1, 2, 2, 1, 4, 7, 5, 9, 4, 2, 2, 8, 9, 2, 5, 2, 3, 7, 7, 5 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS A.H.M. Smeets, Table of n, a(n) for n = 1..20000 E. W. Weisstein, Modified Bessel Function of the First Kind FORMULA Equals Sum_{k >= 0} k/k!^2. Continued fraction expansion: 1/(1 - 1/(3 - 2/(7 - 6/(13 - 12/(21 - ... - n*(n-1)/(n^2+n+1 - ...)))))). For a sketch of the proof see A228229. Cf. A070910. - Peter Bala, Aug 19 2013 EXAMPLE 1.59063685463732906338225... MAPLE evalf(BesselI(1, 2)). # R. J. Mathar, Oct 16 2015 MATHEMATICA RealDigits[BesselI[1, 2], 10, 110][[1]] (* Or *) RealDigits[ Sum[ n/(n!n!), {n, 0, Infinity}], 10, 110][[1]] PROG (PARI) besseli(1, 2) \\ Charles R Greathouse IV, Feb 19 2014 CROSSREFS Cf. A070910. A228229. Sequence in context: A195372 A193017 A277651 * A261623 A298515 A306778 Adjacent sequences:  A096786 A096787 A096788 * A096790 A096791 A096792 KEYWORD cons,easy,nonn AUTHOR Robert G. Wilson v, Jul 09 2004 STATUS approved

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Last modified October 21 01:18 EDT 2019. Contains 328291 sequences. (Running on oeis4.)