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A038671 Number of nonnegative solutions of x1^2 + x2^2 +...+ x5^2 = n. 1
1, 5, 10, 10, 10, 21, 30, 20, 15, 35, 50, 40, 30, 45, 70, 60, 30, 55, 100, 80, 56, 90, 110, 80, 60, 90, 140, 130, 80, 115, 190, 140, 55, 120, 200, 170, 130, 145, 200, 200, 120, 145, 270, 220, 140, 231, 290, 200, 110 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

REFERENCES

coefficient of q^n in (1+q+q^4+q^9+q^16+q^25+q^36+q^49+q^64+...)^5.

LINKS

T. D. Noe, Table of n, a(n) for n=0..10000

CROSSREFS

Sequence in context: A200990 A040020 A123337 * A101866 A201033 A032242

Adjacent sequences:  A038668 A038669 A038670 * A038672 A038673 A038674

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 17 19:07 EST 2012. Contains 206085 sequences.