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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A031152 Squares composed of digits {2,4,5}. 2
4, 25, 225, 4225, 55225, 442225, 4545424, 5452225, 42445225, 44422225, 544522225, 2224254244, 4424245225, 4444222225, 4554225225, 54445222225, 55255554225, 444242245225, 444442222225, 5444452222225, 44442422245225 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

LINKS

P. De Geest, Squares containing at most three distinct digits, Index entries for related sequences

CROSSREFS

Cf. A031154.

Sequence in context: A060912 A050386 A001247 * A010845 A087660 A121660

Adjacent sequences:  A031149 A031150 A031151 * A031153 A031154 A031155

KEYWORD

nonn,base

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com)

EXTENSIONS

Extended and corrected by author 03/2000.

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 15 13:05 EST 2012. Contains 205789 sequences.