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Search: id:A064026
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| A064026 |
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Numbers n such that d(n) + d(n+1) + d(n+2) = 8, where d(n)=A001223. |
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+0
1
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| 2, 3, 5, 26, 43, 142, 234, 286, 313, 458, 484, 743, 1167, 1548, 1823, 1833, 1867, 2066, 2151, 2199, 2362, 2493, 2789, 3410, 3718, 4559, 5251, 5618, 6317, 6696, 6899, 7147, 7590, 7807, 7932, 8083, 8602, 9402, 9517, 9682, 10438, 11006, 11239, 11494, 12618
(list; graph; listen)
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OFFSET
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1,1
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LINKS
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Harry J. Smith, Table of n, a(n) for n=1,...,1000
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PROGRAM
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(PARI) d(n) = prime(n+1)-prime(n); e(n) = d(n)+d(n+1)+d(n+2); j=[]; for(n=1, 35000, if(e(n)==8, j=concat(j, n))); j
(PARI) d3(n)= { prime(n + 3) - prime(n) } { n=0; default(primelimit, 12000000); for (m=1, 10^9, if (d3(m)==8, write("b064026.txt", n++, " ", m); if (n==1000, break)) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Sep 06 2009]
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CROSSREFS
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Sequence in context: A117696 A024774 A068543 this_sequence A121264 A141566 A078736
Adjacent sequences: A064023 A064024 A064025 this_sequence A064027 A064028 A064029
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KEYWORD
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easy,nonn
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AUTHOR
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Jason Earls (zevi_35711(AT)yahoo.com), Sep 08 2001
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