A342901 Smallest number that is the sum of seven positive n-th powers in four ways.

37, 470, 2932, 893604, 82718691

Offset

2,1

Links

Table of n, a(n) for n=2..6.

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.

Sequence in context: A142567 A142286 A166132 * A086025 A197215 A264419

Adjacent sequences: A342898 A342899 A342900 * A342902 A342903 A342904

Keyword

nonn,more

Author

N. J. A. Sloane, Apr 04 2021

Extensions

a(5)-a(6) from Jinyuan Wang, Apr 11 2021

Status

approved