A032669 Digit '6' concatenated with n is a prime.

1, 7, 13, 17, 19, 31, 41, 43, 47, 53, 59, 61, 73, 77, 83, 91, 101, 113, 121, 131, 133, 143, 151, 163, 173, 197, 199, 203, 211, 217, 221, 229, 247, 257, 263, 269, 271, 277, 287, 299, 301, 311, 317, 323, 329, 337, 343, 353, 359, 361, 367, 373, 379

Offset: 1

Author

Patrick De Geest, May 15 1998

Keywords

• nonn
• base

Links

• Seiichi Manyama, Table of n, a(n) for n = 1..10000