A072568 - OEIS

A072568

Even interprimes.

4, 6, 12, 18, 26, 30, 34, 42, 50, 56, 60, 64, 72, 76, 86, 102, 108, 120, 134, 138, 144, 150, 154, 160, 170, 176, 180, 186, 192, 198, 228, 236, 240, 246, 254, 260, 266, 270, 274, 282, 288, 300, 312, 324, 334, 342, 348, 356, 370, 376, 386, 414, 420, 426, 432

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

The interprimes (A024675) are those integers that lie at the midpoint between consecutive odd primes.

LINKS

Amiram Eldar, Table of n, a(n) for n = 1..10000

Eric Weisstein's World of Mathematics, Interprime

MATHEMATICA

Select[Plus @@@ Partition[Table[Prime[n], {n, 2, 100}], 2, 1]/2, EvenQ]

CROSSREFS

Even members of A024675.