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Search: id:A136071
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| A136071 |
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Father primes of order 2. |
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+0
10
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| 19, 29, 59, 89, 149, 239, 269, 359, 419, 449, 509, 569, 659, 839, 1259, 1289, 1319, 1409, 1559, 1949, 2099, 2309, 2339, 2399, 2459, 2549, 2609, 2789, 2819, 2939, 2969, 2999, 3089, 3209, 3299, 3389, 3719, 3989, 4049, 4139, 4289, 4409, 4649, 4889, 4919
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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For smallest father primes of order n see A136026 (also definition). For father primes of order 1 see A094524
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MATHEMATICA
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n = 2; a = {}; Do[If[PrimeQ[(Prime[k] - 2n)/(2n + 1)], AppendTo[a, Prime[k]]], {k, 1, 1500}]; a
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CROSSREFS
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Cf. A023208, A094524, A136019, A136020, A136026, A136027, A136072, A136073, A136074, A136075, A136076, A136077, A136078, A136079, A136080.
Sequence in context: A030433 A141311 A090148 this_sequence A088998 A139886 A089724
Adjacent sequences: A136068 A136069 A136070 this_sequence A136072 A136073 A136074
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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), Dec 12 2007
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