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A030462
Palindromic prime concatenated with next palindromic prime is a prime.
0
2, 31513, 32423, 37273, 37573, 78887, 1120211, 1123211, 1160611, 1178711, 1262621, 1273721, 1311131, 1335331, 1444441, 1548451, 1557551, 1600061, 1761671, 1826281, 1884881, 3233323, 3558553, 3621263, 7057507, 7084807
OFFSET
1,1
CROSSREFS
Sequence in context: A324164 A047076 A176721 * A228556 A001377 A206854
KEYWORD
nonn,base
STATUS
approved