|
|
A229499
|
|
Palindromic prime numbers == 4 (mod 9).
|
|
1
|
|
|
373, 787, 12721, 14341, 18481, 30703, 31513, 32323, 34843, 37273, 38083, 73237, 74047, 77377, 93739, 97879, 98689, 1035301, 1043401, 1092901, 1117111, 1190911, 1215121, 1280821, 1338331, 1362631, 1411141, 1444441, 1452541, 1469641, 1542451, 1550551, 1583851
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
LINKS
|
|
|
MATHEMATICA
|
t = {}; Do[z = n*10^(IntegerLength[n] - 1) + FromDigits@Rest@Reverse@IntegerDigits[n]; If[PrimeQ[z] && Mod[z, 9] == 4, AppendTo[t, z]], {n, 1, 99999}]; t
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,base,less
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|