login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A058453
Numbers k such that k^2 contains only digits {0,7,9}, not ending with zero.
1
3, 8819172285373497
(
list
;
graph
;
refs
;
listen
;
history
;
text
;
internal format
)
OFFSET
1,1
LINKS
Table of n, a(n) for n=1..2.
P. De Geest,
Index to related sequences
Hisanori Mishima,
Sporadic tridigital solutions
CROSSREFS
Cf.
A058454
.
Sequence in context:
A230810
A266199
A216148
*
A058471
A068740
A058473
Adjacent sequences:
A058450
A058451
A058452
*
A058454
A058455
A058456
KEYWORD
nonn
,
base
,
hard
,
more
,
bref
AUTHOR
Patrick De Geest
, Nov 15 2000
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 April 17 23:23 EDT 2024. Contains 371767 sequences. (Running on oeis4.)