A110406 List of k primes ending in k, where k == 1, 3, 7 or 9 (mod 10).

11, 3, 13, 23, 7, 17, 37, 47, 67, 97, 107, 19, 29, 59, 79, 89, 109, 139, 149, 179, 11, 211, 311, 811, 911, 1511, 1811, 2011, 2111, 2311, 2411, 13, 113, 313, 613, 1013, 1213, 1613, 1913, 2113, 2213, 2713, 3313, 3413, 17, 317, 617, 1117, 1217, 2017, 2417, 2617

Offset

1,1

Comments

Lists the 1st entry in A030430, the first 3 entries of A030431, the first 7 entries of A030432, the first 9 entries of A030433, the first 11 entries of A167442 etc.

Links

Table of n, a(n) for n=1..52.

Example

Terms corresponding to 7 are 7, 17, 37, 47, 67, 97, 127. 13 occurs for 3 as well as for 13.
11;
3,13,23;
7,17,37,47,67,97,107;
19,29,59,79,89,109,139,149,179;

Mathematica

f[n_] := Take[ Select[p, Mod[ #, 10^Floor[ Log[10, n] + 1]] == n &], n]; p = Prime[ Range[10^5]]; lst = Select[ Range[1, 17, 2], Mod[ #, 10] != 5 &] (* Robert G. Wilson v *)

Crossrefs

Cf. A089779, A088262.

Sequence in context: A205960 A302556 A088262 * A237454 A375614 A110434

Adjacent sequences: A110403 A110404 A110405 * A110407 A110408 A110409

Keyword

base,easy,nonn,tabf

Author

Amarnath Murthy, Jul 30 2005

Extensions

Corrected and extended by Robert G. Wilson v, Jul 30 2005

Status

approved