|
|
A065378
|
|
Primes p such that p^2 is a palindromic square.
|
|
3
|
|
|
2, 3, 11, 101, 307, 30001253, 100111001, 110111011, 111010111, 111091111, 1011099011101, 1100011100011, 1100101010011, 1101010101011, 100110101011001, 100110990111001, 101000010000101, 101011000110101, 101110000011101
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
Record prime base number of a sporadic palindromic square is 13661181333262459.
|
|
LINKS
|
|
|
EXAMPLE
|
E.g. a(6) = 900075181570009 = p^2 with p = 30001253 and prime.
|
|
MATHEMATICA
|
t={}; Do[p=Prime[n]; If[FromDigits[Reverse[IntegerDigits[p^2]]]==p^2, AppendTo[t, p]], {n, 10^7}]; t (* Jayanta Basu, May 11 2013 *)
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,base
|
|
AUTHOR
|
|
|
EXTENSIONS
|
|
|
STATUS
|
approved
|
|
|
|