A064963 10000n+1, 10000n+3, 10000n+7, 10000n+9 are all primes.

676, 1189, 2515, 2830, 8224, 9001, 10621, 10786, 17611, 18640, 20983, 21277, 23419, 28468, 31450, 37720, 41530, 41596, 42025, 45238, 47212, 49912, 50992, 52222, 53815, 65827, 70786, 77044, 82324, 88297, 88918, 96193, 99262, 101992

Offset

1,1

Links

Harvey P. Dale, Table of n, a(n) for n = 1..1000

Mathematica

Select[Range[10^5], PrimeQ[10^4# + 1] && PrimeQ[10^4# + 3] && PrimeQ[10^4# + 7] && PrimeQ[10^4# + 9] &]
Select[Range[120000], AllTrue[10000#+{1, 3, 7, 9}, PrimeQ]&] (* Harvey P. Dale, Mar 18 2022 *)

Crossrefs

Cf. A007811 and A064687.

Sequence in context: A173134 A258963 A309787 * A300984 A185794 A253330

Adjacent sequences: A064960 A064961 A064962 * A064964 A064965 A064966

Keyword

nonn

Author

Robert G. Wilson v, Oct 29 2001

Status

approved