|
|
A332978
|
|
The number of regions formed inside a triangle with leg lengths equal to the Pythagorean triples by straight line segments mutually connecting all vertices and all points that divide the sides into unit length parts.
|
|
4
|
|
|
271, 5746, 14040, 32294, 50551, 108737, 180662, 276533, 259805, 558256, 591687, 901811, 1117126, 1015277, 1386667, 1223260, 1944396, 3149291, 3165147, 4523784, 4764416, 4859839, 6025266, 7186096
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
The terms are from numeric computation - no formula for a(n) is currently known.
|
|
LINKS
|
|
|
EXAMPLE
|
The triples are ordered by the total sum of the leg lengths:
Triple | Number of regions
(3, 4, 5) | 271
(6, 8, 10) | 5746
(5, 12, 13) | 14040
(9, 12, 15) | 32294
(8, 15, 17) | 50551
(12, 16, 20) | 108737
(7, 24, 25) | 180662
(15, 20, 25) | 276533
(10, 24, 26) | 259805
(20, 21, 29) | 558256
(18, 24, 30) | 591687
(16, 30, 34) | 901811
(21, 28, 35) | 1117126
(12, 35, 37) | 1015277
(15, 36, 39) | 1386667
(9, 40, 41) | 1223260
(24, 32, 40) | 1944396
(27, 36, 45) | 3149291
(14, 48, 50) | 3165147
(20, 48, 52) | 4523784
(24, 45, 51) | 4764416
(30, 40, 50) | 4859839
(28, 45, 53) | 6025266
(33, 44, 55) | 7186096
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,more
|
|
AUTHOR
|
|
|
EXTENSIONS
|
|
|
STATUS
|
approved
|
|
|
|