login
A083841
Palindromic primes p such that p+2 is also a prime: members of A083840 which are the smaller member of a twin prime pair.
3
3, 5, 11, 101, 191, 10301, 12821, 13931, 16061, 16361, 19991, 72227, 73037, 76367, 77477, 78887, 79397, 79697, 79997, 93239, 94349, 94649, 94949, 97379, 1003001, 1055501, 1129211, 1134311, 1183811, 1186811, 1208021, 1221221, 1262621
OFFSET
1,1
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000 (terms 1..176 from Vincenzo Librandi)
MATHEMATICA
Do[f=(Prime[k] - 2); If[PrimeQ[f] && FromDigits[Reverse[IntegerDigits[f]]]==f, Print[f]], {k, 1, 1000000}] (* Vincenzo Librandi, Jan 09 2018 *)
Select[Partition[Prime[Range[100000]], 2, 1], #[[2]]-#[[1]]==2 && PalindromeQ[ #[[1]]]&][[All, 1]] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Mar 30 2018 *)
CROSSREFS
Sequence in context: A068157 A062530 A089628 * A277552 A154941 A062601
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy and Meenakshi Srikanth (menakan_s(AT)yahoo.com), May 09 2003
EXTENSIONS
Corrected and extended by Ray Chandler, May 23 2003
STATUS
approved