A086108 - cp's OEIS frontend

A086108 Numbers n with the following property: Every symmetric polynomial of the digits of n is prime. (A symmetric polynomial is unchanged by any permutation of its variables, so the symmetric polynomials of {a,b,c} would be a+b+c,ab+bc+ac and abc.)

n	a(n)
1	2
2	3
3	5
4	7
5	12
6	21
7	113
8	115
9	131
10	151
11	311
12	511

[2, 3, 5, 7, 12, 21, 113, 115, 131, 151, 311, 511]