A103190 Numbers k such that k29 is prime.

0, 2, 8, 9, 11, 12, 14, 20, 21, 27, 32, 33, 35, 39, 41, 42, 47, 60, 62, 63, 65, 68, 71, 72, 75, 78, 83, 84, 86, 89, 90, 96, 98, 99, 104, 105, 107, 113, 123, 128, 132, 137, 138, 140, 146, 149, 153, 156, 162, 165, 167, 168, 170, 177, 179, 182, 183, 194, 200, 201, 209, 215, 219, 221, 222, 230, 236, 239

Offset

1,2

Links

Table of n, a(n) for n=1..68.

Example

If k=21, then k29 = 2129 (prime).
If k=42, then k29 = 4229 (prime).

Prog

(Magma) [ n: n in [1..700] | IsPrime(Seqint([9, 2] cat Intseq(n))) ]; // Vincenzo Librandi, Feb 03 2011 (program misses 0)

Crossrefs

Sequence in context: A237280 A282636 A019511 * A345019 A116039 A030334

Adjacent sequences: A103187 A103188 A103189 * A103191 A103192 A103193

Keyword

base,nonn

Author

Parthasarathy Nambi, Mar 18 2005

Status

approved