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A186681 Total number of n-digit numbers requiring 17 positive biquadrates in their representation as sum of biquadrates. 17
0, 3, 30, 30, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
A161905(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) + A186674(n) + A186676(n) + A186678(n) + a(n) + A186683(n) + A186685(n) = A052268(n)
a(n) = 0 for n >= 6. - Nathaniel Johnston, May 09 2011
LINKS
Eric Weisstein's World of Mathematics, Waring's Problem.
FORMULA
a(n) = A186680(n) - A186680(n-1).
CROSSREFS
Sequence in context: A072973 A154054 A118219 * A295430 A344430 A217395
KEYWORD
nonn,base,easy
AUTHOR
Martin Renner, Feb 25 2011
STATUS
approved

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Last modified May 29 07:06 EDT 2024. Contains 372926 sequences. (Running on oeis4.)