Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A052057
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A052057 Numbers n such that decimal expansion of 2^n contains no palindromic substring except single digits. +0
3
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 20, 21, 22, 29, 37, 54 (list; graph; listen)
OFFSET

1,3

EXAMPLE

Record number is 2^54 = 18014398509481984.

CROSSREFS

Cf. A000079, A050723, A052058, A052059.

Sequence in context: A028823 A074739 A098314 this_sequence A005496 A052060 A084688

Adjacent sequences: A052054 A052055 A052056 this_sequence A052058 A052059 A052060

KEYWORD

nonn,base

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com), Jan 15 2000.

EXTENSIONS

Probably finite. Next term > 1170.

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 November 25 20:09 EST 2009. Contains 167514 sequences.


AT&T Labs Research