A176119 Smallest prime p = p(n) beginning with exactly n strings "13". (n = 1, 2, ...).

13, 131303, 13131317, 131313137, 13131313133, 13131313131329, 131313131313139, 1313131313131313083, 13131313131313131331, 1313131313131313131333, 131313131313131313131363

Offset

1,1

Comments

See references of A176096

List of appendices:

for 1st term p(1) = 13: ./., 03, 17, 7, 3, 29, 9, 083, 31, 33, 63, 1, 01, 09, 19, 31, 71, 139, 9, 107, 149

Links

Table of n, a(n) for n=1..11.

Example

n = 1: prime(6) = 13 is 1st term of sequence
n = 2: prime(12268) = 131303 is 2nd term of sequence
n = 12: p(12) is first such palindromic prime (i.e. appendix 1)
Curious: (13)_18//139 = p(18) = p(19) = (13)_19//9

Crossrefs

A065585, A176096

Sequence in context: A348645 A022547 A273217 * A228522 A274229 A013798

Adjacent sequences: A176116 A176117 A176118 * A176120 A176121 A176122

Keyword

base,nonn

Author

Eva-Maria Zschorn (e-m.zschorn(AT)zaschendorf.km3.de), Apr 09 2010

Status

approved