Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A078568
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A078568 Repunits concatenated with A000422, where A000422 is the concatenation of numbers from n down to 1. +0
2
11, 1121, 111321, 11114321, 1111154321, 111111654321, 11111117654321, 1111111187654321, 111111111987654321, 111111111110987654321, 111111111111110987654321, 111111111111121110987654321 (list; graph; listen)
OFFSET

1,1

COMMENT

See A078569 for the primes arising in this sequence.

CROSSREFS

Cf. A002275, A000422, A078569.

Sequence in context: A068053 A136308 A075600 this_sequence A015095 A167118 A045981

Adjacent sequences: A078565 A078566 A078567 this_sequence A078569 A078570 A078571

KEYWORD

base,nonn

AUTHOR

Jason Earls (zevi_35711(AT)yahoo.com), Nov 29 2002

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 December 20 16:54 EST 2009. Contains 171081 sequences.


AT&T Labs Research