A186656 Total number of n-digit numbers requiring 5 positive biquadrates in their representation as sum of biquadrates.

1, 6, 60, 587, 7277, 91470, 1151734, 14116900, 166220264, 1888964884, 20910204634

Offset

1,2

Comments

A102831(n) + A186650(n) + A186652(n) + A186654(n) + a(n) + A186658(n) + A186660(n) + A186662(n) + A186664(n) + A186666(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) = A186655(n) - A186655(n-1).

Crossrefs

Cf. A003339, A186655.

Sequence in context: A213269 A091710 A054880 * A122653 A299869 A136943

Adjacent sequences: A186653 A186654 A186655 * A186657 A186658 A186659

Keyword

nonn,base,more

Author

Martin Renner, Feb 25 2011

Extensions

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

Status

approved