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All terms are multiples of 6. Intersection of A114270 and A078402.
Robert Israel, Table of n, a(n) for n = 1..7640
filter:= n -> isprime(n^2+5) and isprime(n^2+7):
N:= 10000: # to get all entries <= 6*N
A127845:= select(filter, [6*n $ n=0..N]); # Robert Israel, Apr 17 2014
(MAGMA) [n: n in [0..500] | IsPrime(n^2+5) and IsPrime(n^2+7)] [From Vincenzo Librandi, Nov 23 2010]
Cf. A078402, A114270.
Sequence in context: A166636 A167338 A078402 * A096932 A212976 A176681
Adjacent sequences: A127842 A127843 A127844 * A127846 A127847 A127848
nonn
Zak Seidov, Apr 05 2007
approved