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!)
A097409 Initial decimal digit of n^5. 7

%I #8 Jan 28 2016 18:11:13

%S 1,3,2,1,3,7,1,3,5,1,1,2,3,5,7,1,1,1,2,3,4,5,6,7,9,1,1,1,2,2,2,3,3,4,

%T 5,6,6,7,9,1,1,1,1,1,1,2,2,2,2,3,3,3,4,4,5,5,6,6,7,7,8,9,9,1,1,1,1,1,

%U 1,1,1,1,2,2,2,2,2,2,3,3,3,3,3,4,4,4,4,5,5,5,6,6,6,7,7,8,8,9,9,1,1,1,1,1,1

%N Initial decimal digit of n^5.

%H Alois P. Heinz, <a href="/A097409/b097409.txt">Table of n, a(n) for n = 1..10000</a>

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/GelfandsQuestion.html">Gelfand's Question</a>

%e 1, 32, 243, 1024, 3125, 7776, 16807, 32768, 59049, 100000, ...

%p a:= n-> parse(""||(n^5)[1]):

%p seq(a(n), n=1..120); # _Alois P. Heinz_, Jan 28 2016

%Y Cf. A000027, A002993, A002994, A097408, A097410, A097411, A097412, A097413, A097414.

%K nonn,base,easy

%O 1,2

%A _Eric W. Weisstein_, Aug 16 2004

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 25 11:39 EDT 2024. Contains 371969 sequences. (Running on oeis4.)