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A123622 Smallest prime of the form p^(2^n) + q^(2^n), where p,q are primes. +0
1
5, 13, 97, 815730977, 15496731425178936435099327796097, 62623297589448778360828428329074752313100292737, 23169162752708970943114627382699355445603465075569066753527132965271355336698663708393617779709970177 (list; graph; listen)
OFFSET

0,1

MATHEMATICA

Do[f=Min[Select[Take[Union[ Flatten[ Table[ Prime[i]^(2^n) + Prime[j]^(2^n), {i, 1, 100}, {j, 1, 100} ] ] ], 500], PrimeQ]]; Print[{n, f}], {n, 0, 7}]

CROSSREFS

Sequence in context: A055623 A107171 A123646 this_sequence A117340 A117437 A106046

Adjacent sequences: A123619 A123620 A123621 this_sequence A123623 A123624 A123625

KEYWORD

nonn

AUTHOR

Alexander Adamchuk (alex(AT)kolmogorov.com), Nov 14 2006

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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