A124180 Prime(R(n)) where Prime(i) is the i-th prime and R(n) is the value of the reverse of the digits of n.

2, 3, 5, 7, 11, 13, 17, 19, 23, 2, 31, 73, 127, 179, 233, 283, 353, 419, 467, 3, 37, 79, 131, 181, 239, 293, 359, 421, 479, 5, 41, 83, 137, 191, 241, 307, 367, 431, 487, 7, 43, 89, 139, 193, 251, 311, 373, 433, 491, 11, 47, 97, 149, 197, 257, 313, 379, 439, 499, 13, 53

Offset: 1

Author

Cino Hilliard, Dec 04 2006

Keywords

• easy
• nonn
• base

Examples

			Rp(17) = 71. Prime(71)= 353.
		

Programs

PARI

g(n) = for(x=1,n,y=revi(prime(x));print1(prime(y)",")) revi(str) = \ Get the integer of the reverse of the input string { local(tmp,s,j); tmp = Vec(Str(str)); s=""; forstep(j=length(tmp),1,-1, s=concat(s,tmp[j])); return(eval(s)) }