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A166620
Positions of primes in A105720
3
1, 4, 16, 18, 22, 36, 40, 44, 52, 72, 110, 138, 144, 154, 160, 162, 166, 176, 178, 212, 224, 246, 252, 272, 282, 286, 292, 298, 306, 326, 330, 374, 386, 420, 428, 442, 446, 468, 472, 478, 482, 488, 498, 512, 518, 524, 532, 534, 550, 556, 564, 586, 602, 628
OFFSET
1,2
MATHEMATICA
Flatten[Position[Table[Total[Prime[Range[n, 2n]]], {n, 700}], _?PrimeQ]] (* Harvey P. Dale, Jun 10 2014 *)
CROSSREFS
Cf. A166619 (Primes in A105720), A105720
Sequence in context: A178364 A034121 A281685 * A363084 A224705 A243298
KEYWORD
nonn
AUTHOR
Zak Seidov, Oct 18 2009
STATUS
approved