id:A093572 - OEIS Search Results

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Greatest prime factor of Product(k+prime(k): 1<=k<=n).

+0
5

3, 5, 5, 11, 11, 19, 19, 19, 19, 19, 19, 19, 19, 19, 31, 31, 31, 79, 79, 79, 79, 101, 101, 113, 113, 127, 127, 127, 127, 127, 127, 163, 163, 173, 173, 173, 173, 173, 173, 173, 173, 223, 223, 223, 223, 223, 223, 271, 271, 271, 271, 271, 271, 271, 271, 271, 271 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`a(n) = A006530(A093570(n)) = A006530(A093571(n));` `a(n) = Max(A076556(k): 1<=k<=n).`
	MATHEMATICA	`PrimeFactors[n_Integer] := Flatten[ Table[ # [[1]], {1}] & /@ FactorInteger[n]]; Table[ PrimeFactors[ Product[k + Prime[k], {k, n}]][[ -1]], {n, 60}] (from Robert G. Wilson v Apr 07 2004)`
	CROSSREFS	`Cf. A014688, A092602.` `Sequence in context: A120841 A049757 A098971 this_sequence A118132 A089167 A028265` `Adjacent sequences: A093569 A093570 A093571 this_sequence A093573 A093574 A093575`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), Apr 01 2004`
	EXTENSIONS	`More terms from Robert G. Wilson v (rgwv(AT)rgwv.com) Apr 07 2004`

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

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