A350241 a(n) is the smallest number which can be represented as the sum of n distinct nonzero squares in exactly n ways, or 0 if no such number exists.

1, 65, 101, 142, 175, 255, 316, 380, 501, 625, 794, 995, 1155, 1456, 1696, 2012, 2373, 2709, 3118, 3566, 4158, 4608, 5211, 5852, 6500, 7221, 8065, 8906, 9766, 11089, 11855, 12868, 14020, 15337, 16601, 17854, 19255, 20840, 22364, 23964, 25813, 27665, 29650, 31635

Offset

1,2

Links

Table of n, a(n) for n=1..44.

Index entries for sequences related to sums of squares

Example

For n = 2: 65 = 1^2 + 8^2 = 4^2 + 7^2.
For n = 3: 101 = 1^2 + 6^2 + 8^2 = 2^2 + 4^2 + 9^2 = 4^2 + 6^2 + 7^2.

Crossrefs

Cf. A000290, A025341, A025379, A025415, A025417, A052261, A093195, A097563, A215908, A341040.

Sequence in context: A063519 A299456 A300094 * A342259 A075893 A064901

Adjacent sequences: A350238 A350239 A350240 * A350242 A350243 A350244

Keyword

nonn

Author

Ilya Gutkovskiy, Dec 21 2021

Extensions

More terms from Jinyuan Wang, Dec 21 2021

Status

approved