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A186676
Total number of n-digit numbers requiring 15 positive biquadrates in their representation as sum of biquadrates.
18
0, 6, 60, 624, 6071, 60073, 600069, 6000069, 60000069, 600000061, 6000000071
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) + A186674(n) + a(n) + A186678(n) + A186681(n) + A186683(n) + A186685(n) = A052268(n), for n>1.
LINKS
Eric Weisstein's World of Mathematics, Waring's Problem.
FORMULA
a(n) = A186675(n) - A186675(n-1).
CROSSREFS
Sequence in context: A136936 A136893 A090019 * A322441 A186674 A186672
KEYWORD
nonn,base,more
AUTHOR
Martin Renner, Feb 25 2011
EXTENSIONS
a(5)-a(11) from Giovanni Resta, Apr 29 2016
STATUS
approved