A186653 Total number of positive integers below 10^n requiring 4 positive biquadrates in their representation as sum of biquadrates.

1, 7, 48, 346, 3066, 27754, 260724, 2516312, 24744689, 245221669, 2442288495

Offset: 1

Author

Martin Renner, Feb 25 2011

Keywords

• nonn

Comments

A114322(n) + A186649(n) + A186651(n) + a(n) + A186655(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)

Links

• Eric Weisstein's World of Mathematics, Waring's Problem.

Crossrefs

Cf. A003338, A186654.

Extensions

a(5)-a(9) from Lars Blomberg, May 08 2011

a(10)-a(11) from Giovanni Resta, Apr 26 2016