login
A267014
Primes of the form a^a + a*b + b^b.
0
2, 3, 5, 7, 23, 31, 37, 251, 257, 3119, 3167, 46649, 46663, 49811, 823591, 870241, 16780381, 387420479, 387420499, 285311717333, 11414881932150451, 18446744359021222403, 827240261886336764159, 827240261886336767387, 827240261886337587839, 827240261896336764347
OFFSET
1,1
COMMENTS
A161471 and A161472 are obvious subsequences.
EXAMPLE
23 is a term because 3^3 + 3*(-1) + (-1)^(-1) = 23 is prime.
31 is a term because 3^3 + 3*1 + 1^1 = 31 is prime.
37 is a term because 3^3 + 3*2 + 2^2 = 37 is prime.
CROSSREFS
KEYWORD
nonn
AUTHOR
Altug Alkan, Jan 08 2016
STATUS
approved