Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A104242
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A104242 Primes which are the concatenation of two consecutive square numbers. +0
1
6481, 144169, 324361, 400441, 784841, 16001681, 23042401, 67246889, 77447921, 84648649, 92169409, 96049801, 1254412769, 1638416641, 1742417689, 1960019881, 2016420449, 4752447961, 5382454289, 5664457121, 5760058081, 6051661009 (list; graph; listen)
OFFSET

1,1

EXAMPLE

The first term is 6481 which is a prime and is the concatenation of 64 and 81 which are two consecutive square numbers.

CROSSREFS

Adjacent sequences: A104239 A104240 A104241 this_sequence A104243 A104244 A104245

Sequence in context: A067928 A087351 A104343 this_sequence A031842 A028544 A049529

KEYWORD

base,nonn

AUTHOR

Shyam Sunder Gupta (guptass(AT)rediffmail.com), Apr 17 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 May 16 23:01 EDT 2008. Contains 139884 sequences.


AT&T Labs Research