|
Search: id:A096710
|
|
|
| A096710 |
|
Quadruply balanced primes: primes which are averages of both their immediate neighbor, their second neighbors, their third neighbors and their fourth neighbors. |
|
+0
6
|
|
| 98303927, 580868459, 784857323, 857636141, 909894647, 951508837, 1367470823, 1480028171, 1850590099, 2106973159, 2121382079, 2409718043, 2635873907, 2704854637, 3225527099, 3386231579, 3823510039, 3824915671, 3905211517
(list; graph; listen)
|
|
|
OFFSET
|
1,1
|
|
|
EXAMPLE
|
98303927 is a member because
98303927 = (98303903 + 98303951)/2 = (98303897 + 98303957)/2 = (98303873 + 98303981)/2 = (98303867 + 09303987)/2.
|
|
MATHEMATICA
|
a = {}; Do[p = 2Prime[n]; If[p == Prime[n - 1] + Prime[n + 1], If[ p == Prime[n - 2] + Prime[n + 2], If[p == Prime[n - 3] + Prime[n + 3], If[p == Prime[n - 4] + Prime[n + 4], Print[p/2]; AppendTo[a, p/2]]]]], {n, 6, 117039731}]; a
|
|
CROSSREFS
|
Cf. A006562, A051795, A096709, A055380.
Sequence in context: A028502 A114662 A075010 this_sequence A033424 A017180 A017276
Adjacent sequences: A096707 A096708 A096709 this_sequence A096711 A096712 A096713
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Robert G. Wilson v (rgwv(AT)rgwv.com), Jun 28 2004
|
|
EXTENSIONS
|
More terms from Jud McCranie (j.mccranie(AT)comcast.net), Sep 29 2006
|
|
|
Search completed in 0.002 seconds
|
