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Search: id:A153214
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| A153214 |
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Primes p such that p+-2 and p+-3 are NotSquare-free. |
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+0
2
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| 47, 1447, 1847, 3701, 6653, 11273, 14947, 15727, 17053, 18493, 21661, 24923, 26647, 29153, 32789, 33023, 38873, 39323, 42437, 42923, 44053, 47527, 47977, 49853, 52027, 52153, 56747, 56873, 59929, 71147, 74189, 79427, 80953, 99277, 99713
(list; graph; listen)
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OFFSET
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1,1
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MATHEMATICA
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lst={}; Do[p=Prime[n]; If[ !SquareFreeQ[p-2]&&!SquareFreeQ[p+2]&&!SquareFreeQ[p-3]&&!SquareFreeQ[p+3], AppendTo[lst, p]], {n, 3*7!}]; lst
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CROSSREFS
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Cf. A049282, A049097, A039787, A075432, A153207, A153208, A153209, A153210, A153213
Sequence in context: A047911 A009069 A157359 this_sequence A142845 A014941 A049668
Adjacent sequences: A153211 A153212 A153213 this_sequence A153215 A153216 A153217
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KEYWORD
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nonn
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AUTHOR
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Vladimir Orlovsky (4vladimir(AT)gmail.com), Dec 20 2008
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