A033449 Lists of 4 primes in arithmetic progression; common difference 6.

251, 257, 263, 269, 1741, 1747, 1753, 1759, 3301, 3307, 3313, 3319, 5101, 5107, 5113, 5119, 5381, 5387, 5393, 5399, 6311, 6317, 6323, 6329, 6361, 6367, 6373, 6379, 12641, 12647, 12653, 12659, 13451, 13457, 13463, 13469, 14741, 14747, 14753

Offset

1,1

Links

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

Index entries for sequences related to primes in arithmetic progressions

Maple

for i from 1 by 1 to 4000 do if ithprime(i+1) = ithprime(i) +6 and ithprime(i+2) = ithprime(i) + 12 and ithprime(i+3) = ithprime(i) + 18 then print(ithprime(i), ithprime(i+1), ithprime(i+2), ithprime(i+3)); # Zerinvary Lajos, May 04 2007

Mathematica

Select[Partition[Prime[Range[2000]], 4, 1], Differences[#]=={6, 6, 6}&]// Flatten (* Harvey P. Dale, May 31 2019 *)

Crossrefs

Sequence in context: A267995 A201547 A165281 * A271581 A142419 A364968

Adjacent sequences: A033446 A033447 A033448 * A033450 A033451 A033452

Keyword

nonn,tabf

Author

Jeff Burch

Status

approved