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Search: id:A072568
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| 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; listen)
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OFFSET
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4,1
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COMMENT
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The interprimes (A024675) are those integers that lie at the mid-point between consecutive odd primes.
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LINKS
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Eric Weisstein's World of Mathematics, Interprime
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MATHEMATICA
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Select[Plus @@@ Partition[Table[Prime[n], {n, 2, 100}], 2, 1]/2, EvenQ]
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CROSSREFS
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Even members of A024675.
Cf. A024675, A072569, A072570, A072571, A072572, A072573.
Adjacent sequences: A072565 A072566 A072567 this_sequence A072569 A072570 A072571
Sequence in context: A022802 A074997 A045959 this_sequence A109290 A130441 A068570
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KEYWORD
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easy,nonn
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AUTHOR
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Marco Matosic (marcomatosic(AT)hotmail.com), Jun 21 2002
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