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A291863 Primes of the form 43^k + 4. 0
5, 47, 271818611111, 1718264124282290785247, 5874403106360420018879553647, 802525857116673306810957202573831816754829436253827247, 17343773367030267519903781288812032158308062539012091953077767198995511 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
F. Firoozbakht, M. F. Hasler, Variations on Euclid's formula for Perfect Numbers, JIS 13 (2010) #10.3.1
Henri & Renaud Lifchitz, PRP Records
OpenPFGW Project, Primality Tester
MATHEMATICA
Select[Table[43k+4], {k, 0, 100}], PrimeQ[#] &]
CROSSREFS
Cf. A230433.
Sequence in context: A300336 A086776 A259502 * A247705 A215543 A212111
KEYWORD
nonn
AUTHOR
Robert Price, Sep 04 2017
STATUS
approved

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Last modified March 28 09:04 EDT 2024. Contains 371240 sequences. (Running on oeis4.)