A186666 Total number of n-digit numbers requiring 10 positive biquadrates in their representation as sum of biquadrates.

0, 6, 66, 740, 7064, 62754, 602728, 6002740, 60002625, 600002765, 6000002823

Offset

1,2

Comments

A102831(n) + A186650(n) + A186652(n) + A186654(n) + A186656(n) + A186658(n) + A186660(n) + A186662(n) + A186664(n) + a(n) + A186668(n) + A186670(n) + A186672(n) + A186674(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) = A186665(n) - A186665(n-1).

Crossrefs

Cf. A003344, A186665.

Sequence in context: A131519 A373816 A022024 * A129554 A165229 A247740

Adjacent sequences: A186663 A186664 A186665 * A186667 A186668 A186669

Keyword

nonn,base,more

Author

Martin Renner, Feb 25 2011

Extensions

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

Status

approved