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 A091681 Decimal expansion of BesselJ(0,2). 6
 2, 2, 3, 8, 9, 0, 7, 7, 9, 1, 4, 1, 2, 3, 5, 6, 6, 8, 0, 5, 1, 8, 2, 7, 4, 5, 4, 6, 4, 9, 9, 4, 8, 6, 2, 5, 8, 2, 5, 1, 5, 4, 4, 8, 2, 2, 1, 8, 6, 0, 7, 6, 0, 3, 1, 2, 8, 3, 4, 9, 7, 0, 6, 0, 1, 0, 8, 5, 3, 9, 5, 7, 7, 6, 8, 0, 1, 0, 7, 0, 5, 0, 1, 4, 8, 1, 1, 5, 1, 1, 8, 5, 3, 4, 2, 9, 3, 6, 6, 0, 4, 9 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 COMMENTS Sum_{k>=0} (-1)^k/(k!)^2. The Pierce Expansion of this number is the squares > 1: 4,9,16,25,... - Franklin T. Adams-Watters, May 22 2006 LINKS G. C. Greubel, Table of n, a(n) for n = 0..2500 Eric Weisstein's World of Mathematics, Factorial Sums Eric Weisstein's World of Mathematics, Pierce Expansion FORMULA Continued fraction expansion: BesselJ(0,2) = 1/(4 + 4/(8 + 9/(15 + ... + (n - 1)^2/(n^2 + 1 + ...)))). See A073701 for a proof. - Peter Bala, Feb 01 2015 EXAMPLE 0.223890779... MATHEMATICA RealDigits[N[BesselJ[0, 2], 250]][[1]] (* G. C. Greubel, Dec 26 2016 *) PROG (PARI) besselj(0, 2) \\ Charles R Greathouse IV, Feb 19 2014 CROSSREFS Cf A000290, A068985, A073701. Sequence in context: A046652 A319860 A300354 * A076541 A227380 A159789 Adjacent sequences:  A091678 A091679 A091680 * A091682 A091683 A091684 KEYWORD nonn,cons AUTHOR Eric W. Weisstein, Jan 28 2004 STATUS approved

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Last modified November 16 15:49 EST 2018. Contains 317274 sequences. (Running on oeis4.)