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A230489
Pseudoprimes n to base 2 such that n+2 and n+4 are primes.
4
87249, 831405, 1489665, 2113665, 31880577, 81612105, 84028407, 86559045, 274014885, 1778357505, 1853263365, 2276082537, 9090685605, 12300409857, 43620860865, 69654751377, 248342283645, 634038307449, 848282877345, 1123296404385, 1344952805505, 3307428792777
OFFSET
1,1
LINKS
EXAMPLE
87249 is a pseudoprime (base 2) and 87251 and 87253 are primes.
CROSSREFS
Sequence in context: A216257 A237410 A206632 * A372277 A098186 A069313
KEYWORD
nonn
AUTHOR
Shyam Sunder Gupta, Oct 20 2013
STATUS
approved