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

1, 7, 78, 955, 12392, 152571, 1720133, 18164402, 177157454, 1625380302, 14433344661

Offset

1,2

Comments

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)

Links

Table of n, a(n) for n=1..11.

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

Crossrefs

Cf. A003340, A186658.

Sequence in context: A068621 A210406 A133272 * A079590 A202755 A280518

Adjacent sequences: A186654 A186655 A186656 * A186658 A186659 A186660

Keyword

nonn

Author

Martin Renner, Feb 25 2011

Extensions

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

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

Status

approved