login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A058437 Numbers k such that k^2 contains only digits {0,4,6}, not ending with zero. 1
2, 8, 20992, 21602, 215408, 800037502, 21120134092, 25815899102, 80025400008, 8000254000008, 25815577558262, 254166490010002, 254243985975008, 683085646609592, 800002540000008 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..15.

P. De Geest, Index to related sequences

Hisanori Mishima, Sporadic tridigital solutions

CROSSREFS

Cf. A058438.

Sequence in context: A160814 A038582 A309860 * A185681 A046967 A007753

Adjacent sequences:  A058434 A058435 A058436 * A058438 A058439 A058440

KEYWORD

nonn,base,more

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 | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 19 21:11 EDT 2021. Contains 347564 sequences. (Running on oeis4.)