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Search: id:A159043
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| A159043 |
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Primes of the form prime(n)+prime(n+3)+1. |
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+0
3
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| 19, 31, 37, 47, 61, 71, 103, 109, 131, 163, 193, 211, 241, 251, 281, 313, 331, 349, 373, 379, 421, 457, 467, 521, 541, 571, 607, 643, 691, 727, 739, 751, 823, 853, 883, 941, 991, 1021, 1051, 1069, 1117, 1129, 1201, 1213, 1259, 1279, 1303, 1327, 1429, 1459
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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19=5+13+1, 31=11+19+1, 37=13+23+1, 47=17+29+1, 61=23+37+1, ...
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MATHEMATICA
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lst={}; Do[p1=Prime[n]; p4=Prime[n+3]; p=p1+p4+1; If[PrimeQ[p], AppendTo[lst, p]], {n, 6!}]; lst
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CROSSREFS
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Sequence in context: A038672 A125148 A040066 this_sequence A040088 A164320 A154418
Adjacent sequences: A159040 A159041 A159042 this_sequence A159044 A159045 A159046
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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), Apr 03 2009
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