1,2

A114322(n) + A186649(n) + A186651(n) + A186653(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) + a(n) + A186684(n) = A002283(n)

a(n) = 24 for n >= 4. - Nathaniel Johnston, May 09 2011

Continued fraction expansion of (185-sqrt(145))/355. - Bruno Berselli, May 10 2011

Table of n, a(n) for n=1..65.

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

G.f.: x^2*(2+17*x+5*x^2)/(1-x). - Bruno Berselli, May 10 2011

Cf. A046049.

Sequence in context: A018696 A175451 A004023 * A031030 A083689 A102617

Adjacent sequences: A186679 A186680 A186681 * A186683 A186684 A186685

nonn

Martin Renner, Feb 25 2011

a(5)-a(6) from Lars Blomberg, May 08 2011

a(7) from Charles R Greathouse IV, May 08 2011

Terms after a(7) from Nathaniel Johnston, May 09 2011

approved