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!)
A186655 Total number of positive integers below 10^n requiring 5 positive biquadrates in their representation as sum of biquadrates. 19

%I #15 Apr 29 2016 04:18:17

%S 1,7,67,654,7931,99401,1251135,15368035,181588299,2070553183,

%T 22980757817

%N Total number of positive integers below 10^n requiring 5 positive biquadrates in their representation as sum of biquadrates.

%C A114322(n) + A186649(n) + A186651(n) + A186653(n) + a(n) + A186657(n) + A186659(n) + A186661(n) + A186663(n) + A186665(n) + A186667(n) + A186669(n) + A186671(n) + A186673(n) + A186675(n) + A186677(n) + A186680(n) + A186682(n) + A186684(n) = A002283(n)

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

%Y Cf. A003339, A186656.

%K nonn

%O 1,2

%A _Martin Renner_, Feb 25 2011

%E a(5)-a(9) from _Lars Blomberg_, May 08 2011

%E a(10)-a(11) from _Giovanni Resta_, Apr 26 2016

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 18 18:58 EDT 2024. Contains 371781 sequences. (Running on oeis4.)