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Search: id:A103384
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| 2, 3, 5, 7, 17, 31, 71, 127, 157, 227, 293, 349, 419, 521, 1873, 3877, 4889, 6607, 12289, 19843, 31873, 42703, 80309, 137957, 884987, 976091, 9979037, 15614983, 29738231, 45024979, 812280583, 6882259301, 8479913153, 88930242859, 356874733421
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Intersection of A103374 with A000040.
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EXAMPLE
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1873 is an element of this sequence because A103374(74) = 1873.
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MATHEMATICA
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k = 6; Do[a[n] = 1, {n, k + 1}]; a[n_] := a[n] = a[n - k] + a[n - k - 1]; Union[Select[Array[a, 260], PrimeQ]]
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CROSSREFS
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Cf. A000040, A103374, A103382-A103391, A103394.
Sequence in context: A103388 A103389 A103386 this_sequence A103383 A103382 A001153
Adjacent sequences: A103381 A103382 A103383 this_sequence A103385 A103386 A103387
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KEYWORD
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nonn,easy
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AUTHOR
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Jonathan Vos Post (jvospost2(AT)yahoo.com), Feb 03 2005
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EXTENSIONS
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Edited, corrected and extended by Ray Chandler (rayjchandler(AT)sbcglobal.net) and Robert G. Wilson v (rgwv(AT)rgwv.com), Feb 06 2005
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