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A096478
a(n) = A000040(A096477(n)), i.e., prime(a(n)) and prime(a(n)+1) are twin primes.
5
2, 3, 5, 7, 13, 17, 41, 43, 83, 89, 109, 113, 173, 277, 307, 313, 353, 373, 463, 563, 577, 601, 613, 643, 673, 719, 743, 1117, 1123, 1171, 1279, 1571, 1621, 1627, 1709, 1741, 1823, 1867, 1907, 1949, 1979, 1987, 1999, 2003, 2063, 2099, 2153, 2287, 2309, 2311
OFFSET
1,1
COMMENTS
Gives primes in A029707. - Pierre CAMI, Apr 20 2006
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000 (terms 1..1000 from Vincenzo Librandi)
EXAMPLE
89 is a term since it is a prime and prime(89 + 1) - prime(89) = 463 - 461 = 2; the prime with subscript 89 (which is prime) and the next prime (i.e., prime(90)) are twin primes.
MATHEMATICA
Prime[Flatten[Position[Table[Prime[Prime[n]+1]-Prime[Prime[n]], {n, 1, 1000}], 2]]]
CROSSREFS
KEYWORD
nonn
AUTHOR
Labos Elemer, Jun 23 2004
STATUS
approved