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A222116 Palindromic primes whose sum of digits is also a palindromic prime. 1
2, 3, 5, 7, 11, 101, 131, 151, 191, 313, 353, 10301, 10501, 11311, 13331, 30103, 1003001, 1123211, 1201021, 1221221, 1303031, 1311131, 3001003, 3103013, 100030001, 100050001, 100111001, 100131001, 101030101, 110111011, 110232011, 111010111, 111050111 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
EXAMPLE
353, a palindromic prime, is in the list since 3+5+3=11 is also a palindromic prime.
MATHEMATICA
palQ[n_]:=FromDigits[Reverse[IntegerDigits[n]]]==n; t={}; Do[If[palQ[p=Prime[n]] && palQ[td=Total[IntegerDigits[p]]] && PrimeQ[td], AppendTo[t, p]], {n, 6400000}]; t
CROSSREFS
Intersection of A082806 and A082208.
Sequence in context: A083712 A082806 A157868 * A229107 A109574 A084837
KEYWORD
nonn,base
AUTHOR
Jayanta Basu, May 13 2013
STATUS
approved

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Last modified June 19 19:59 EDT 2024. Contains 373507 sequences. (Running on oeis4.)