A070784 Square of second longest side of triangles with sides whose squares are integers and with positive integer area, ordered by longest side, then second longest side and finally shortest side.

2, 4, 5, 4, 5, 8, 4, 8, 10, 10, 6, 5, 8, 9, 12, 15, 5, 8, 10, 13, 13, 5, 8, 13, 16, 17, 10, 16, 8, 9, 10, 10, 13, 13, 16, 17, 17, 17, 18, 20, 20, 12, 15, 8, 13, 13, 16, 17, 17, 20, 20, 25, 10, 10, 16, 18, 20, 20, 20, 26, 24, 14, 9, 13, 16, 20, 20, 20, 25, 25, 29, 12, 24, 30, 30, 10

Offset

1,1

Links

Table of n, a(n) for n=1..76.

A. Bogomolny, Sam Loyd's Geometric Puzzle

Example

a(6)=8 since the triangle with sides sqrt(9), sqrt(8) and sqrt(5) has area 3.

Crossrefs

Cf. A055593, A070783, A070785, A070786, A070787.

Sequence in context: A004581 A212790 A317558 * A200289 A165044 A274079

Adjacent sequences: A070781 A070782 A070783 * A070785 A070786 A070787

Keyword

nonn

Author

Henry Bottomley, May 07 2002

Status

approved