id:A053823 - OEIS Search Results

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Product of primes in n-th shell of prime spiral.

+0
2

2, 111546435, 10334565887047481278774629361, 36134787795296163821030157447828794735407577182650673, 83897624105100872650777504146410004512537400341032979607327005665757086721210969 (list; graph; listen)

	OFFSET	`0,1`
	COMMENT	`Write primes in a spiral: the first shell contains a single prime, 2. The next shell contains 8 primes, etc.`
	EXAMPLE	`a(2)=35711131719*23=111546435, the product of the 2nd through 9th primes.`
	CROSSREFS	`Cf. A053997, A053998, A053999.` `Sequence in context: A121390 A157992 A135235 this_sequence A034251 A051241 A094486` `Adjacent sequences: A053820 A053821 A053822 this_sequence A053824 A053825 A053826`
	KEYWORD	`easy,nonn`
	AUTHOR	`Enoch Haga (Enokh(AT)comcast.net), Apr 06 2000`

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Last modified November 22 15:28 EST 2009. Contains 167310 sequences.

AT&T Labs Research