A180421 Members p of A091366 such that digit-reverse(p) is also in A091366.

11, 101, 113, 131, 151, 199, 311, 337, 353, 359, 373, 733, 757, 919, 953, 991, 1031, 1103, 1213, 1217, 1231, 1237, 1259, 1301, 1321, 1381, 1439, 1471, 1499, 1619, 1723, 1741, 1831, 1949, 3011, 3019, 3109, 3121, 3163, 3257, 3271, 3299, 3347, 3527, 3583, 3613, 3767

Offset: 1

Author

Carmine Suriano, Sep 03 2010

Keywords

• nonn
• base

Examples

			a(10) = A091366(19) = 359 and reverse(359) = 953 = A091366(42) is again in A091366.
		

Links

• Robert Israel, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A091366

Programs

Maple

filter:= proc(n) local i,L,d,y;
  if not isprime(n) then return false fi;
  L:= convert(n,base,10);
  d:= nops(L);
  isprime(add(L[i]^3,i=1..d)) and isprime(add(L[-i]*10^(i-1),i=1..d))
end proc:
select(filter, [seq(i,i=3..10000,2)]); # Robert Israel, Apr 06 2021

Formula

{A091366(i): A004086(A091366(i)) in A091366}.

Extensions

Keyword:base added and definition shortened by R. J. Mathar, Sep 23 2010