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A119705 Primes p such that number of divisors of p+1 equals number of divisors of p+2. +0
1
13, 37, 43, 97, 103, 157, 229, 241, 331, 373, 433, 541, 547, 877, 907, 1021, 1129, 1201, 1373, 1381, 1433, 1489, 1543, 1597, 1613, 1621, 1741, 1831, 1951, 1987, 2017, 2053, 2161, 2377, 2503, 2539, 2557, 2633, 2677, 2713, 2857, 2953, 3061, 3067, 3109, 3169 (list; graph; listen)
OFFSET

1,1

COMMENT

Primes p such that A008329(p)=A049234(p).

EXAMPLE

13 is OK because both 14 and 15 have 4 divisors:

{1, 2, 7, 14} and {1, 3, 5, 15}.

CROSSREFS

Cf. A008329, A049234.

Sequence in context: A118361 A088963 A063913 this_sequence A045809 A140112 A089030

Adjacent sequences: A119702 A119703 A119704 this_sequence A119706 A119707 A119708

KEYWORD

nonn

AUTHOR

Zak Seidov (zakseidov(AT)yahoo.com), Jul 29 2006

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.


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