A060863 Positive numbers n which are the average of a run of consecutive primes.

2, 3, 4, 5, 6, 7, 9, 11, 12, 13, 15, 17, 18, 19, 21, 22, 23, 26, 29, 30, 31, 34, 37, 38, 39, 41, 42, 43, 45, 46, 47, 49, 50, 51, 52, 53, 55, 56, 59, 60, 61, 64, 67, 68, 69, 70, 71, 72, 73, 76, 77, 78, 79, 81, 82, 83, 86, 87, 89, 91, 92, 93, 95, 96, 97, 99, 100, 101, 102, 103

Offset

1,1

Comments

All primes and averages of twin primes are in the sequence.

Links

Table of n, a(n) for n=1..70.

Formula

A122821(a(n)) > 0.

Example

2, 9, 46 are in the sequence because 2 = (2)/1; 9 = (7+11)/2; 46 = (41+43+47+53)/4.

Crossrefs

Complement of A060864.

Sequence in context: A039119 A140297 A234853 * A063934 A326643 A222030

Adjacent sequences: A060860 A060861 A060862 * A060864 A060865 A060866

Keyword

nonn

Author

David W. Wilson, May 04 2001

Status

approved