A023185 Square of main diagonal of 3-dimensional box with coprime integer sides and integer face diagonals.

73225, 196729, 543049, 706225, 730249, 3560089, 3584425, 6434041, 8392849, 14561209, 15686089, 40742425, 43508881, 69339625, 73878025, 85753369, 88450609, 90723169, 146947321, 148031689, 180998425, 216698161, 235198825, 273080809

Offset

1,1

Comments

Ordered by length of main diagonal. - Sean A. Irvine, May 26 2019

Links

Sean A. Irvine, Table of n, a(n) for n = 1..50

Sean A. Irvine, Java program (github)

Jean Lagrange, Sets of n Squares of Which Any n — 1 Have Their Sum Square, Mathematics of Computation, Vol 41, Nr 164, Oct 1983.

Wikipedia, Euler brick

Crossrefs

Cf. A031173, A031174, A031175.

Sequence in context: A247993 A210009 A237701 * A244254 A184769 A242805

Adjacent sequences: A023182 A023183 A023184 * A023186 A023187 A023188

Keyword

nonn

Author

David W. Wilson

Status

approved