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A097493 Primes which are two greater than A097492 terms. 1
7, 37, 457, 8647, 51315414607 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

The next term (17866..79237) has 186 digits.

LINKS

Table of n, a(n) for n=1..5.

PROG

(PARI) fu(n) = p=1; for(x=1, n, p*=twinu(x); if(isprime(p+2), print1(p+2", "))) \The n-th upper twin prime twinu(n) = { local(c, x); c=0; x=1; while(c<n, if(isprime(prime(x)+2), c++); x++; ); return(prime(x)) }

CROSSREFS

Cf. A097490, A097491, A097492.

Sequence in context: A093168 A330388 A276231 * A341377 A082687 A117731

Adjacent sequences:  A097490 A097491 A097492 * A097494 A097495 A097496

KEYWORD

nonn

AUTHOR

Cino Hilliard, Aug 24 2004

EXTENSIONS

Edited by Don Reble, Apr 16 2007

STATUS

approved

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Last modified April 17 01:35 EDT 2021. Contains 343051 sequences. (Running on oeis4.)