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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A228951 Numbers n such that decimal expansion of n^n has only one zero. 1
9, 11, 17, 19, 21, 28, 29 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

19 is the median of this finite set of numbers and the only zero of 19^19 is in the middle of it.

LINKS

Table of n, a(n) for n=1..7.

MATHEMATICA

Select[Range[1000], Count[IntegerDigits[#^#], 0]==1&]

CROSSREFS

Cf.A131495,A229629.

Sequence in context: A236390 A048464 A075824 * A108113 A111391 A077788

Adjacent sequences:  A228948 A228949 A228950 * A228952 A228953 A228954

KEYWORD

nonn,base,fini,full

AUTHOR

Jahangeer Kholdi, Oct 12 2013

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 18 18:15 EDT 2019. Contains 327178 sequences. (Running on oeis4.)