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Search: id:A144140
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| A144140 |
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Numbers n such that between n^K and (n+1)^K there no primes, where K = 3/2. |
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+0
4
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| 10, 20, 24, 27, 32, 65, 121, 139, 141, 187, 306, 321, 348, 1006, 1051
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Conjecture: this sequence is finite and complete
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MATHEMATICA
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a = {}; k = 3/2; Do[If[Length[Select[Range[Ceiling[n^k], Floor[(n + 1)^k]], PrimeQ]] == 0, Print[n]; AppendTo[a, n]], {n, 10000}]; a (*Artur Jasinski*)
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CROSSREFS
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Cf. A014085, A143898, A143935, A144137.
Sequence in context: A071590 A098165 A104801 this_sequence A034048 A072592 A101869
Adjacent sequences: A144137 A144138 A144139 this_sequence A144141 A144142 A144143
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KEYWORD
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nonn
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AUTHOR
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Artur Jasinski (grafix(AT)csl.pl), Sep 11 2008
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