A186674 Total number of n-digit numbers requiring 14 positive biquadrates in their representation as sum of biquadrates.

0, 6, 60, 632, 6135, 60132, 600115, 6000118, 60000129, 600000127, 6000000136

Offset

1,2

Comments

A102831(n) + A186650(n) + A186652(n) + A186654(n) + A186656(n) + A186658(n) + A186660(n) + A186662(n) + A186664(n) + A186666(n) + A186668(n) + A186670(n) + A186672(n) + a(n) + A186676(n) + A186678(n) + A186681(n) + A186683(n) + A186685(n) = A052268(n), for n>1.

Links

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

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

Formula

a(n) = A186673(n) - A186673(n-1).

Crossrefs

Cf. A046045, A186673.

Sequence in context: A090019 A186676 A322441 * A186672 A295503 A106259

Adjacent sequences: A186671 A186672 A186673 * A186675 A186676 A186677

Keyword

nonn,base,more

Author

Martin Renner, Feb 25 2011

Extensions

a(5)-a(11) from Giovanni Resta, Apr 29 2016

Status

approved