A219505 Numbers that are arithmetic mean of 5 successive primes.

79, 281, 295, 329, 349, 355, 403, 439, 511, 643, 677, 685, 787, 805, 841, 887, 949, 963, 1171, 1179, 1195, 1241, 1327, 1339, 1397, 1435, 1463, 1503, 1547, 1641, 1685, 1717, 1733, 1779, 1811, 1917, 1957, 1991, 2033, 2061, 2141, 2147, 2347, 2389, 2395, 2433

Offset

1,1

Links

Zak Seidov, Table of n, a(n) for n = 1..1000

Example

a(1) = A219478(1) = 79 = (prime(20)+...+prime(24))/5 = (71+ 73+ 79+ 83+ 89)/5.

Mathematica

Select[(Mean /@ Partition[Prime[Range[1000]], 5, 1]), IntegerQ]

Crossrefs

A219478 is subsequence.

Sequence in context: A141914 A201036 A142932 * A180455 A219478 A082077

Adjacent sequences: A219502 A219503 A219504 * A219506 A219507 A219508

Keyword

nonn

Author

Zak Seidov, Nov 21 2012

Status

approved