A294690 Largest number with exactly n representations as a sum of seven nonnegative squares.

3, 11, 15, 23, 24, 32, 35, 33, 39, 47, 48, 51, 56, 59, 55, 64, 62, 71, 68, 61, 80, 75, 83, 79, 78, 77, 96, 92, 95

Offset: 1

Author

Robert Price, Nov 27 2017

Keywords

• nonn
• more

Comments

It appears that a(30) does not exist.

References

• E. Grosswald, Representations of Integers as Sums of Squares. Springer-Verlag, New York, 1985, p. 86, Theorem 1.

Links

• D. H. Lehmer, On the Partition of Numbers into Squares, The American Mathematical Monthly, Vol. 55, No. 8, October 1948, pp. 476-481.

Crossrefs

Cf. A025422, A025431, A295669.