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

568, 626

Offset: 1

Author

Jinyuan Wang, Feb 12 2025

Keywords

• nonn
• bref
• hard
• more

Examples

			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.
		

Links

• 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)

Crossrefs

Cf. A380716.