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 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 Hans Havermann (via Feng Yuan), Table of n, a(n) for n = 1..61 P. De Geest, Palindromic Squares G. L. Honaker, Jr. and C. Caldwell, Prime Curios! W. R. Marshall, Palindromic Squares F. Yuan, Palindromic Square Numbers 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 Cf. A065379, A002778, A002779, A034822, A028816, A016106, A059744, A016113, A007573. Sequence in context: A056899 A347402 A117699 * A161721 A225603 A292710 Adjacent sequences:  A065375 A065376 A065377 * A065379 A065380 A065381 KEYWORD nonn,base AUTHOR Patrick De Geest, Nov 03 2001 EXTENSIONS Corrected by Jayanta Basu, May 11 2013 STATUS approved

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Last modified January 26 22:05 EST 2022. Contains 350601 sequences. (Running on oeis4.)