A381026 Primitive solutions k to the exponential Diophantine equation k^7 = Sum_{i=1..7} y_i^7 with y_i > 0.

568, 626

Offset

1,1

Links

Table of n, a(n) for n=1..2.

Jean-Charles Meyrignac, Computing Minimal Equal Sums Of Like Powers.

Eric Weisstein's World of Mathematics, Diophantine Equation - 7th powers.

Index to sequences related to Diophantine equations (7,1,7)

Example

568^7 = 127^7 + 258^7 + 266^7 + 413^7 + 430^7 + 439^7 + 525^7.
626^7 = 91^7 + 148^7 + 158^7 + 255^7 + 258^7 + 309^7 + 625^7.

Crossrefs

Cf. A380716.

Sequence in context: A209954 A233057 A087424 * A134922 A322688 A234233

Adjacent sequences: A381023 A381024 A381025 * A381027 A381028 A381029

Keyword

nonn,bref,hard,more

Author

Jinyuan Wang, Feb 12 2025

Status

approved