The OEIS is supported by the many generous donors to the OEIS Foundation.

 Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 59th year, we have over 358,000 sequences, and we’ve crossed 10,300 citations (which often say “discovered thanks to the OEIS”). Other ways to Give
 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A090138 Denominator of the probability that the sum of n uniform picks on [0,1] is first greater than 2 (i.e., the sum of n-1 is not). 2
 1, 1, 6, 3, 40, 90, 336, 56, 51840, 226800, 4435200, 11975040, 188697600, 1210809600, 100590336000, 93405312000, 23712495206400, 2598365952000, 6360528125952, 3754478407680000, 537799391281152000, 802857662698291200 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 LINKS Eric Weisstein's World of Mathematics, Uniform Sum Distribution. FORMULA a(n) = denominator((n-2)*(2^(n-1)-n)/n!). - Amiram Eldar, Apr 12 2022 EXAMPLE 0, 0, 1/6, 1/3, 11/40, 13/90, 19/336, ... MATHEMATICA a[n_] := Denominator[(n - 2)*(2^(n - 1) - n)/n!]; Array[a, 50] (* Amiram Eldar, Apr 12 2022 *) CROSSREFS Cf. A090137 (numerators). Sequence in context: A022666 A202363 A038257 * A229130 A349492 A088390 Adjacent sequences: A090135 A090136 A090137 * A090139 A090140 A090141 KEYWORD nonn,frac AUTHOR Eric W. Weisstein, Nov 22 2003 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified November 30 06:18 EST 2022. Contains 358431 sequences. (Running on oeis4.)