A342897 Smallest number that is the sum of three positive n-th powers in four ways.

129, 13896, 5978882

Offset: 2

Author

N. J. A. Sloane, Apr 04 2021

Keywords

• nonn
• bref
• more

Examples

			a(2) = 129 = 1+64+64 = 4+4+121 = 16+49+64 = 4+25+100.
		

Links

• R. Alter, Computations and generalizations on a remark of Ramanujan, pp. 182-196 of "Analytic Number Theory (Philadelphia, 1980)", ed. M. I. Knopp, Lect. Notes Math., Vol. 899, 1981.

Crossrefs

Cf. A230563, A342893-A342903.