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A038671 Number of nonnegative solutions of x1^2 + x2^2 +...+ x5^2 = n. +0
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; listen)
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: A135912 A040020 A123337 this_sequence A101866 A100884 A032242

Adjacent sequences: A038668 A038669 A038670 this_sequence A038672 A038673 A038674

KEYWORD

nonn

AUTHOR

njas

page 1

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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