|
Search: id:A010814
|
|
|
| A010814 |
|
Perimeters of integer-sided right triangles. |
|
+0
7
|
|
| 12, 24, 30, 36, 40, 48, 56, 60, 70, 72, 80, 84, 90, 96, 108, 112, 120, 126, 132, 140, 144, 150, 154, 156, 160, 168, 176, 180, 182, 192, 198, 200, 204, 208, 210, 216, 220, 224, 228, 234, 240, 252, 260, 264, 270, 276, 280, 286, 288, 300, 306, 308, 312, 320, 324
(list; graph; listen)
|
|
|
OFFSET
|
1,1
|
|
|
COMMENT
|
n is in this sequence iff n is a multiple of some term in A024364.
|
|
LINKS
|
Ron Knott, Pythagorean Triples and Online Calculators
|
|
MAPLE
|
isA010814 := proc(an) local a::integer, b::integer, c::integer ; for c from 1 to floor(an/2) do for a from floor(c/sqrt(2)) to c-1 do if issqr(c^2-a^2) then b := sqrt(c^2-a^2) ; if a+b+c = an then RETURN(true) ; fi ; fi ; od ; od : RETURN(false) ; end : for n from 3 to 400 do if isA010814(n) then printf("%d, ", n) ; fi ; od ; - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jun 08 2006
|
|
CROSSREFS
|
Twice A005279.
Adjacent sequences: A010811 A010812 A010813 this_sequence A010815 A010816 A010817
Sequence in context: A074697 A027854 A009096 this_sequence A098714 A108938 A085236
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
manvel(AT)lagrange.math.colostate.edu (Ben Manvel)
|
|
EXTENSIONS
|
More terms from Ray Chandler (rayjchandler(AT)sbcglobal.net), Mar 13 2004
|
|
|
Search completed in 0.002 seconds
|
