A333137 - OEIS

A333137

The number of edges formed on a triangle with leg lengths equal to the Pythagorean triples by the straight line segments mutually connecting all vertices and all points that divide the sides into unit length parts.

500, 10883, 27220, 61570, 98657, 208739, 353922, 533442, 507744, 1100007, 1146403, 1771007, 2168628, 2002321, 2719907, 2413390, 3787444, 6140737, 6238486, 8906032, 9394871, 9495582, 11939407, 14063303

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

See A332978 for the Pythagorean triple ordering and the links for images of the triangles.

LINKS

Table of n, a(n) for n=1..24.

CROSSREFS

Cf. A332978 (regions), A333135 (n-gons), A333136 (vertices), A103605 (Pythagorean triple ordering), A274586 , A332600, A331765.

Sequence in context: A194085 A216114 A005954 * A281779 A231804 A093250

Adjacent sequences: A333134 A333135 A333136 * A333138 A333139 A333140

KEYWORD

nonn,more

AUTHOR

Scott R. Shannon and N. J. A. Sloane, Mar 09 2020

EXTENSIONS

a(8)-a(24) from Lars Blomberg, Jun 07 2020

STATUS

approved