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 A227336 Decimal expansion of Sum_{k>=1} exp(-k^2)/k. 0
 3, 7, 7, 0, 7, 8, 4, 2, 5, 3, 5, 3, 7, 4, 2, 9, 4, 5, 5, 0, 5, 4, 4, 2, 1, 6, 1, 3, 7, 0, 5, 4, 2, 2, 0, 4, 4, 0, 5, 0, 4, 5, 1, 9, 1, 7, 0, 5, 6, 7, 8, 7, 0, 1, 0, 4, 7, 6, 2, 2, 8, 9, 9, 8, 0, 4, 2, 2, 7, 2, 5, 9, 4, 8, 8, 8, 0, 0, 8, 2, 3, 1, 1, 6, 3, 3, 8, 0, 1, 1, 5, 5, 2, 0, 9, 6, 1, 9, 8, 1, 6, 7, 5, 9, 8 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 LINKS Table of n, a(n) for n=0..104. EXAMPLE 0.3770784253537429455054421613705422044050451917056787010476228998042... MAPLE sum(exp(-k^2)/k, k=1..infinity); evalf(%, 120); MATHEMATICA digits = 105; NSum[1/(E^(k^2)*k), {k, 1, Infinity}, WorkingPrecision -> digits+1] // RealDigits[#, 10, digits]& // First (* Jean-François Alcover, Jan 28 2014 *) PROG (PARI) suminf(k=1, exp(-k^2)/k) \\ Charles R Greathouse IV, Jul 07 2013 CROSSREFS Sequence in context: A013564 A009467 A258982 * A373862 A353049 A288093 Adjacent sequences: A227333 A227334 A227335 * A227337 A227338 A227339 KEYWORD nonn,cons AUTHOR Francesco Daddi, Jul 07 2013 STATUS approved

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Last modified September 14 21:48 EDT 2024. Contains 375929 sequences. (Running on oeis4.)