A180455 Central term of five successive prime numbers whose average is a prime.

79, 281, 349, 439, 643, 677, 787, 883, 1171, 1321, 1733, 1811, 2141, 2347, 2389, 2767, 2791, 3323, 3329, 3529, 3929, 4157, 4349, 4751, 4799, 4919, 4951, 5003, 5189, 5323, 5347, 5521, 5527, 5857, 5861, 6287, 6337, 6473, 6827, 6967, 6997, 7507, 7933, 8233

Offset

1,1

Links

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

Mathematica

Transpose[Select[Partition[Prime[Range[2500]], 5, 1], PrimeQ[ Mean[#]]&]] [[3]] (* Harvey P. Dale, Oct 30 2011 *)

Crossrefs

Cf. A082077.

Sequence in context: A201036 A142932 A219505 * A219478 A082077 A341182

Adjacent sequences: A180452 A180453 A180454 * A180456 A180457 A180458

Keyword

nonn

Author

Carmine Suriano, Sep 06 2010

Status

approved