login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A083144 Smallest k such that k*prime(n) is an n-digit palindrome, or 0 if no such number exists. 1
1, 11, 101, 143, 991, 7777, 59353, 534479, 4353087, 34521069, 322583871, 2703002973, 24391597561, 232583697907, 2127673106383, 18867930754717, 169491573220339, 1639345391147541, 14925373676119403, 140845071661971831 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

COMMENTS

Conjecture: no entry is zero.

FORMULA

a(n) = A083143(n)/prime(n).

CROSSREFS

Cf. A083143.

Sequence in context: A068685 A109830 A052035 * A058411 A134462 A156753

Adjacent sequences:  A083141 A083142 A083143 * A083145 A083146 A083147

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy and Meenakshi Srikanth (amarnath_murthy(AT)yahoo.com), Apr 25 2003

EXTENSIONS

More terms from Patrick De Geest (pdg(AT)worldofnumbers.com), Jun 09 2003.

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 17 13:18 EST 2012. Contains 206031 sequences.