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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

%I #6 Dec 05 2013 19:56:19

%S 2,4,6,8,14,12,10,16,18,20,26,32,30,28,34,24,22,36,38,44,42,40,46,48,

%T 58,60,62,56,50,68,54,52,66,76,70,64,78,80,86,72,74,84,82,96,98,104,

%U 90,88,106,100,94,108,110,92,102,112,114,140,122,132,130,124,138,116,146,128

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

%C A rearrangement of even numbers.

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

%Y Cf. A086527.

%K nonn

%O 1,1

%A _Amarnath Murthy_, Jul 31 2003

%E More terms from _David Wasserman_, Mar 14 2005