id:A008329 - OEIS Search Results

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Number of divisors of p+1, p prime.

+0
12

2, 3, 4, 4, 6, 4, 6, 6, 8, 8, 6, 4, 8, 6, 10, 8, 12, 4, 6, 12, 4, 10, 12, 12, 6, 8, 8, 12, 8, 8, 8, 12, 8, 12, 12, 8, 4, 6, 16, 8, 18, 8, 14, 4, 12, 12, 6, 12, 12, 8, 12, 20, 6, 18, 8, 16, 16, 10, 4, 8, 6, 12, 12, 16, 4, 8, 6, 6, 12, 12, 8, 24, 10, 8, 12, 16, 16, 4, 8, 8, 24, 4, 20, 8, 16 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`Leroy Quet, Home Page (listed in lieu of email address)`
	MAPLE	`for i from 1 to 500 do if isprime(i) then print(tau(i+1)); fi; od;`
	CROSSREFS	`Sequence in context: A036808 A036805 A036804 this_sequence A064558 A008328 A091860` `Adjacent sequences: A008326 A008327 A008328 this_sequence A008330 A008331 A008332`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`
	EXTENSIONS	`Offset corrected by Leroy Quet, Oct 08 2008`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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