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A186668 Total number of n-digit numbers requiring 11 positive biquadrates in their representation as sum of biquadrates. 18
0, 6, 64, 690, 6674, 60914, 600941, 6000995, 60000942, 600000942, 6000000909 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

A102831(n) + A186650(n) + A186652(n) + A186654(n) + A186656(n) + A186658(n) + A186660(n) + A186662(n) + A186664(n) + A186666(n) + a(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) = A186667(n) - A186667(n-1).

CROSSREFS

Cf. A003345, A186667.

Sequence in context: A320528 A237357 A230282 * A025609 A309186 A156887

Adjacent sequences:  A186665 A186666 A186667 * A186669 A186670 A186671

KEYWORD

nonn,base,more

AUTHOR

Martin Renner, Feb 25 2011

EXTENSIONS

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

STATUS

approved

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Last modified October 1 23:33 EDT 2022. Contains 357173 sequences. (Running on oeis4.)