The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A176183 Smallest prime p = p(n) ending with exactly n strings "13". 0
 13, 21313, 4131313, 1213131313, 81313131313, 1131313131313, 613131313131313, 21313131313131313, 8131313131313131313, 113131313131313131313, 171313131313131313131313, 23131313131313131313131313 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS See references of A176096. List of prefixes: for 1st term p(1) = 13: ./., 2, 4, 12, 8, 1, 6, 2, 8, 1, 17, 23, 21, 8, 59, 87, 53, 46, 10, 8, 20, 73, 29, 20, 3, 2, 16, 33, 80, 2, ... LINKS Table of n, a(n) for n=1..12. EXAMPLE n = 1: prime(6) = 13 is 1st term of sequence. n = 2: prime(2392) = 21313 is 2nd term of sequence. Note: 1st such palindromic prime (i.e. prefix 3): p(25) = 3(13)_25 = 313131313131313131313131313131313131313131313131313. CROSSREFS Cf. A065580, A065585, A176096, A176119. Sequence in context: A340295 A203514 A098562 * A241879 A185408 A123921 Adjacent sequences: A176180 A176181 A176182 * A176184 A176185 A176186 KEYWORD base,nonn AUTHOR Eva-Maria Zschorn (e-m.zschorn(AT)zaschendorf.km3.de), Apr 11 2010 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified February 25 16:57 EST 2024. Contains 370332 sequences. (Running on oeis4.)