Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A082770
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A082770 a(n) = smallest palindromic prime that begins with A082768(n) and contains more than twice the number of digits in A082768(n), or 0 if no such number exists. +0
3
101, 313, 727, 919, 10301, 11311, 12421, 13331, 14341, 15451, 16061, 17471, 18181, 19391, 30103, 31013, 32323, 33533, 34543, 35053, 36263, 37273, 38083, 39293, 70207, 71317, 72227, 73037, 74047, 75557, 76367, 77377, 78487, 79397, 90709 (list; graph; listen)
OFFSET

1,1

COMMENT

Conjecture: no entry is zero. In most cases the number of digits required is 2k+1 where k is the number of digits in A082768(n). What is the first entry that requires more (than 2k+1) digits?

Answer to question: A082768(37) = 92, a(37) = 9200029. - David Wasserman (wasserma(AT)spawar.navy.mil), Jul 28 2005

CROSSREFS

Cf. A082768, A082769.

Adjacent sequences: A082767 A082768 A082769 this_sequence A082771 A082772 A082773

Sequence in context: A139701 A142578 A134971 this_sequence A142769 A142264 A142136

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Apr 18 2003

EXTENSIONS

More terms from David Wasserman (wasserma(AT)spawar.navy.mil), Jul 28 2005

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified October 15 09:18 EDT 2008. Contains 145015 sequences.


AT&T Labs Research