The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A053897 Squares composed of digits {1,4,5}. 2
1, 4, 144, 441, 1444, 115111441, 1551414544, 441411414544, 115414455444544, 41155551514151451441, 114515541511151545444, 5115115541555411411554441, 5411144145154411455544144144 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
Table of n, a(n) for n=1..13.
Author?, Source(txt)
P. De Geest, Squares containing at most three distinct digits, Index entries for related sequences
CROSSREFS
Cf. A053896.
Sequence in context: A053899 A058414 A053891 * A017294 A273698 A134631
Adjacent sequences: A053894 A053895 A053896 * A053898 A053899 A053900
KEYWORD
nonn,base,more
AUTHOR
Patrick De Geest, Mar 15 2000
EXTENSIONS
More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 04 2005
Two more terms from Jon E. Schoenfield, Sep 03 2006
STATUS
approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 17 17:07 EDT 2024. Contains 372603 sequences. (Running on oeis4.)