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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
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
Sequence in context: A340295 A203514 A098562 * A241879 A185408 A123921
KEYWORD
base,nonn
AUTHOR
Eva-Maria Zschorn (e-m.zschorn(AT)zaschendorf.km3.de), Apr 11 2010
STATUS
approved

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