login
A032733
Numbers k such that k prefixed by '8' and followed by '9' is prime.
27
0, 2, 3, 5, 17, 20, 21, 26, 32, 36, 38, 41, 42, 53, 59, 60, 62, 66, 68, 69, 71, 77, 81, 83, 84, 92, 96, 99, 101, 104, 111, 119, 123, 129, 134, 135, 140, 143, 150, 155, 156, 161, 162, 164, 168, 174, 176, 179, 183, 186, 189, 191, 192, 200, 203, 212, 213, 218, 221
OFFSET
1,2
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Patrick De Geest, May 15 1998
STATUS
approved