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

Author

Ilya Gutkovskiy, Dec 21 2021

Keywords

• nonn

Examples

			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.
		

Links

• Index entries for sequences related to sums of squares

Crossrefs

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

Extensions

More terms from Jinyuan Wang, Dec 21 2021