id:A071301 - OEIS Search Results

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Denominators of a(n+1) = Sum_{k=0..n} a'((n^2-k^2)/n), where a(0) = a(1) = 1; and a'(x) = a(x) if x is an integer, and is linearly interpolated otherwise.

+0
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1, 1, 1, 2, 6, 3, 15, 60, 70, 140, 540, 37800, 8316, 207900, 1351350, 75675600, 141891750, 11176704, 308756448000, 222304642560, 15084957888000, 234654900480000, 1267136462592000, 139385010885120000, 213723683357184000 (list; graph; listen)

	OFFSET	`0,4`
	EXAMPLE	`a(4) = a'(9/3)+a'(8/3)+a'(5/3)+a'(0/3) =` `a(3)+[(1/3)a(2)+(2/3)a(3)]+[(1/3)a(1)+(2/3)a(2)]+a(0)=65/6.`
	CROSSREFS	`Cf. A071298, A071299, A071300.` `Sequence in context: A094299 A121566 A056839 this_sequence A056195 A083169 A050125` `Adjacent sequences: A071298 A071299 A071300 this_sequence A071302 A071303 A071304`
	KEYWORD	`nonn,easy,frac`
	AUTHOR	`Michele Dondi (blazar(AT)lcm.mi.infn.it), Jun 10 2002`
	EXTENSIONS	`More terms from David Wasserman (wasserma(AT)spawar.navy.mil), Nov 08 2005`

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.

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