A086526 Beginning with 2, the smallest even number not included earlier such that the arithmetic mean of a pair of successive terms is a prime.

2, 4, 6, 8, 14, 12, 10, 16, 18, 20, 26, 32, 30, 28, 34, 24, 22, 36, 38, 44, 42, 40, 46, 48, 58, 60, 62, 56, 50, 68, 54, 52, 66, 76, 70, 64, 78, 80, 86, 72, 74, 84, 82, 96, 98, 104, 90, 88, 106, 100, 94, 108, 110, 92, 102, 112, 114, 140, 122, 132, 130, 124, 138, 116, 146, 128

Offset: 1

Author

Amarnath Murthy, Jul 31 2003

Keywords

• nonn

Comments

A rearrangement of even numbers.

Crossrefs

Cf. A086527.

Formula

a(n) = 2 * A055265(n).

Extensions

More terms from David Wasserman, Mar 14 2005