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A186657 Total number of positive integers below 10^n requiring 6 positive biquadrates in their representation as sum of biquadrates. 19

%I #15 Apr 29 2016 04:18:37

%S 1,7,78,955,12392,152571,1720133,18164402,177157454,1625380302,

%T 14433344661

%N Total number of positive integers below 10^n requiring 6 positive biquadrates in their representation as sum of biquadrates.

%C A114322(n) + A186649(n) + A186651(n) + A186653(n) + A186655(n) + a(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. A003340, A186658.

%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

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Last modified April 16 14:43 EDT 2024. Contains 371749 sequences. (Running on oeis4.)