The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A096479

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A096479

"Secondary twin primes": a(n) = A006450(A096477(n)).
(history; published version)

#13 by Bruno Berselli at Fri Dec 27 11:53:01 EST 2019

STATUS

proposed

approved

#12 by Amiram Eldar at Fri Dec 27 11:18:32 EST 2019

STATUS

editing

proposed

#11 by Amiram Eldar at Fri Dec 27 10:49:39 EST 2019

COMMENTS

Subsequence of A001359.

EXAMPLE

n=10, a[(10]) = 461 means that p[1+since prime(10) = 89 and prime(89] + 1) -p[ prime(89]) = 463 - 461 = 2,.

CROSSREFS

Subsequence of A001359.

#10 by Amiram Eldar at Fri Dec 27 10:45:20 EST 2019

CROSSREFS

Cf. A072677, A006450, A073124, A094068, A096477, A096478.

#9 by Amiram Eldar at Fri Dec 27 10:44:51 EST 2019

LINKS

Amiram Eldar, <a href="/A096479/b096479.txt">Table of n, a(n) for n = 1..10000</a>

STATUS

approved

editing

#8 by N. J. A. Sloane at Tue Oct 15 22:32:25 EDT 2013

AUTHOR

_Labos E. (labos(AT)ana.sote.hu), Elemer_, Jun 23 2004

Discussion

Tue Oct 15

22:32

OEIS Server: https://oeis.org/edit/global/2029

#7 by Bruno Berselli at Tue Jan 29 02:55:21 EST 2013

STATUS

proposed

approved

#6 by Charles R Greathouse IV at Tue Jan 29 02:00:20 EST 2013

STATUS

editing

proposed

#5 by Charles R Greathouse IV at Tue Jan 29 02:00:16 EST 2013

NAME

a[n]=A006450[A096477(n)], i.e. 2+a(n) and a[n] are twin primes. Subset of A001359.

"Secondary twin primes": a(n) = A006450(A096477(n)).

COMMENTS

Subsequence of A001359.

STATUS

approved

editing

#4 by N. J. A. Sloane at Fri Feb 24 03:00:00 EST 2006

MATHEMATICA

Prime[Prime[Flatten[Position[Table[Prime[Prime[n]+1] -Prime[Prime[n]], {n, 1, 1000}], 2]]]]

KEYWORD

nonn,new

nonn