login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A064026 Numbers n such that d(n) + d(n+1) + d(n+2) = 8, where d(n)=A001223. 1
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; refs; listen; history; internal format)
OFFSET

1,1

LINKS

Harry J. Smith, Table of n, a(n) for n=1,...,1000

PROG

(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]

CROSSREFS

Sequence in context: A181730 A024774 A068543 * A121264 A141566 A078736

Adjacent sequences:  A064023 A064024 A064025 * A064027 A064028 A064029

KEYWORD

easy,nonn

AUTHOR

Jason Earls (zevi_35711(AT)yahoo.com), Sep 08 2001

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 16 10:43 EST 2012. Contains 205904 sequences.