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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

Giovanni Resta, Table of n, a(n) for n = 1..1000

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

Adjacent sequences:  A222113 A222114 A222115 * A222117 A222118 A222119

KEYWORD

nonn,base

AUTHOR

Jayanta Basu, May 13 2013

STATUS

approved

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Last modified February 23 21:20 EST 2020. Contains 332195 sequences. (Running on oeis4.)