OFFSET
1,1
REFERENCES
E. Grosswald, Representations of Integers as Sums of Squares. Springer-Verlag, New York, 1985, p. 86, Theorem 1.
LINKS
Robert Price, Table of n, a(n) for n = 1..447
D. H. Lehmer, On the Partition of Numbers into Squares, The American Mathematical Monthly, Vol. 55, No. 8, October 1948, pp. 476-481.
CROSSREFS
KEYWORD
nonn
AUTHOR
Robert Price, Nov 15 2017
STATUS
approved