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A074327 Smaller of twin primes arising in A074326. 1
3, 311, 1619, 3671, 1742537, 148948139, 16149760533341 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

FORMULA

a(n)=p(m) where m=2^x and p(m+1)-p(m)=2.

EXAMPLE

7th term in A074326 is 39, so prime[549755813888]=16149760533341=a(7) and 16149760533343 is the larger twin.

MATHEMATICA

s=0; Do[s=Prime[1+2^n]-Prime[2^n]; If[s==2, Print[Prime[2^n]]], {n, 1, 40}]

CROSSREFS

Cf. A051439, A033844, A073798, A000079, A074325, A074326.

Sequence in context: A085319 A123032 A132305 * A179109 A062333 A083974

Adjacent sequences:  A074324 A074325 A074326 * A074328 A074329 A074330

KEYWORD

more,nonn

AUTHOR

Labos E. (labos(AT)ana.sote.hu), Aug 21 2002

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Last modified February 16 21:49 EST 2012. Contains 205978 sequences.