|
|
A133764
|
|
Composite numbers such that any two terms, plus 1, yields a composite number:.
|
|
0
|
|
|
4, 9, 10, 15, 16, 22, 28, 34, 35, 39, 40, 46, 52, 58, 64, 70, 75, 76, 82, 88, 94, 100, 106, 112, 118, 119, 124, 125, 130, 136, 142, 148, 154, 160, 166, 172, 178, 184, 190, 196, 202, 208, 209, 214, 220, 226, 232, 238, 244, 249, 250, 256, 262, 268, 274, 279, 280
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
LINKS
|
|
|
EXAMPLE
|
15 is a term of the sequence because 15 is composite and 15+4+1, 15+9+1 and 15+10+1, are all composite (20,25 and 36, respectively).
|
|
CROSSREFS
|
|
|
KEYWORD
|
easy,nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|