id:A090346 - OEIS Search Results

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Number of divisors of prime(n) + prime(n+1).

+0
1

2, 4, 6, 6, 8, 8, 9, 8, 6, 12, 6, 8, 12, 12, 9, 10, 16, 8, 8, 15, 8, 10, 6, 8, 12, 12, 16, 16, 8, 20, 8, 6, 12, 18, 18, 12, 14, 16, 12, 12, 24, 12, 16, 16, 18, 8, 8, 18, 16, 16, 8, 24, 12, 6, 16, 12, 24, 6, 12, 12, 21, 24, 8, 20, 24, 20, 6, 18, 16, 16, 8, 12, 12, 10, 8, 6, 8, 16, 20, 18 (list; graph; listen)

	OFFSET	`1,1`
	MATHEMATICA	`d[i_] := DivisorSigma[0, Prime[i] + Prime[i + 1]]; Table[d[i], {i, 1, 100}]`
	CROSSREFS	`Sequence in context: A161655 A092517 A128558 this_sequence A092989 A065558 A035280` `Adjacent sequences: A090343 A090344 A090345 this_sequence A090347 A090348 A090349`
	KEYWORD	`nonn`
	AUTHOR	`Joseph L. Pe (joseph_l_pe(AT)hotmail.com), Jan 28 2004`

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

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