|
|
A062218
|
|
Numbers k such that the smoothly undulating palindromic number (35*10^k - 53)/99 is a prime.
|
|
0
|
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
Prime versus probable prime status and proofs are given in the author's table.
|
|
LINKS
|
|
|
EXAMPLE
|
k=23 -> (35*10^23 - 53)/99 = 35353535353535353535353.
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,base
|
|
AUTHOR
|
Patrick De Geest and Hans Rosenthal (Hans.Rosenthal(AT)t-online.de), Jun 15 2001
|
|
EXTENSIONS
|
|
|
STATUS
|
approved
|
|
|
|