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A050239
Consecutive square palindromic primes; palindromic primes of the form x^2 + (x+1)^2, where x values are given by A050236.
3
5, 181, 313, 3187813
OFFSET
1,1
COMMENTS
No other terms < 10^20. - Patrick De Geest, Aug 15 99
LINKS
Carlos Rivera, Puzzle 14. Pal-Primes and sum of powers, The Prime Puzzles & Problems Connection.
Eric Weisstein's World of Mathematics, Palindromic Prime
MATHEMATICA
Select[Total/@Partition[Range[1300]^2, 2, 1], PalindromeQ[#]&&PrimeQ[#]&] (* Harvey P. Dale, Aug 19 2022 *)
CROSSREFS
Cf. A050236.
Subsequence of A002385.
Sequence in context: A162136 A053363 A027572 * A218690 A345338 A256286
KEYWORD
nonn,nice,hard,base
STATUS
approved