|
|
A051345
|
|
Odd numbers not of the form 3 + twin prime + twin prime.
|
|
1
|
|
|
1, 3, 5, 7, 97, 99, 101, 403, 405, 407, 517, 519, 521, 787, 789, 791, 907, 909, 911, 1117, 1119, 1121, 1147, 1149, 1151, 1267, 1269, 1271, 1357, 1359, 1361, 3247, 3249, 3251, 4207, 4209, 4211
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,2
|
|
LINKS
|
|
|
MATHEMATICA
|
tps=Flatten[Select[Partition[Prime[Range[2000]], 2, 1], Last[#]-First[#]==2&]]; Complement[Range[1, Last[tps], 2], Union[Total[#]+3&/@Tuples[tps, {2}]]] (* Harvey P. Dale, Apr 01 2011 *)
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,nice
|
|
AUTHOR
|
|
|
EXTENSIONS
|
No others below 100000. Conjectured to be complete.
|
|
STATUS
|
approved
|
|
|
|