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A102313 Least number k such that k^3 is the sum of n positive squares. 1
1, 2, 3, 3, 2, 3, 3, 2, 3, 3, 3, 3, 3, 4, 3, 3, 4, 3, 3, 4, 3, 4, 4, 3, 4, 4, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 4, 4, 5, 4, 4, 5, 4, 5, 5, 4, 5, 5, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

The cube root of A100499. It appears that for n in [k^3+1,(k+1)^3], a(n) is either k+1 or k+2.

LINKS

Table of n, a(n) for n=1..105.

CROSSREFS

Cf. A100499 (least cube that is the sum of n positive squares).

Sequence in context: A182128 A131294 A276869 * A262955 A276859 A007538

Adjacent sequences:  A102310 A102311 A102312 * A102314 A102315 A102316

KEYWORD

nonn

AUTHOR

T. D. Noe, Jan 03 2005

STATUS

approved

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Last modified November 14 12:19 EST 2019. Contains 329114 sequences. (Running on oeis4.)