id:A127197 - OEIS Search Results

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Numerator of n-th Van der Waerden-Ulam binary measure of the primes.

+0
3

1, 1, 1, 3, 3, 1, 1, 1, 1, 5, 5, 3, 3, 3, 3, 7, 7, 1, 1, 1, 1, 9, 9, 9, 9, 9, 9, 5, 5, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 13, 13, 7, 7, 7, 7, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 17, 17, 9, 9, 9, 9, 9, 9, 19, 19, 19, 19, 5, 5, 21, 21, 21, 21, 21, 21, 11, 11, 11, 11, 23, 23, 23, 23, 23, 23 (list; graph; listen)

	OFFSET	`1,4`
	MATHEMATICA	`Table[Numerator[PrimePi[k]/2^k], {k, 2, 1000}]`
	CROSSREFS	`Cf. A119523.` `Sequence in context: A046533 A046532 A014421 this_sequence A114231 A079075 A086703` `Adjacent sequences: A127194 A127195 A127196 this_sequence A127198 A127199 A127200`
	KEYWORD	`nonn,frac`
	AUTHOR	`Artur Jasinski (grafix(AT)csl.pl), Jan 08 2007`

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Last modified December 16 13:01 EST 2009. Contains 170825 sequences.

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