|
|
A067899
|
|
Fractal palindromic primes of second order.
|
|
1
|
|
|
3135313, 3732373, 3836383, 7276727, 7278727, 7576757, 7873787, 7977797, 11311511311, 11411311411, 13331113331, 13331713331, 13831913831, 13931413931, 17471317471, 19391319391, 31513531513, 31513831513, 31513931513, 37273937273, 37573237573, 37573337573
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
LINKS
|
|
|
EXAMPLE
|
11411311411 is a palindromic prime in the sequence because about the middle 3, either wing 11411 is itself a palindromic prime, further made up, about a middle 4, of wings 11, another palindromic prime.
|
|
CROSSREFS
|
|
|
KEYWORD
|
base,nonn
|
|
AUTHOR
|
|
|
EXTENSIONS
|
|
|
STATUS
|
approved
|
|
|
|