

A107574


a(n)=middle sidelength of nth triangle listed at A107572.


4



3, 4, 4, 5, 4, 5, 6, 5, 5, 6, 5, 7, 6, 5, 6, 7, 6, 6, 8, 7, 6, 7, 6, 8, 7, 6, 7, 9, 8, 7, 8, 6, 7, 7, 9, 8, 7, 8, 7, 10, 9, 8, 9, 7, 8, 7, 8, 10, 9, 8, 9, 7, 8, 8, 11, 10, 9, 10, 8, 9, 7, 8, 9, 8, 11, 10, 9, 10, 8, 9, 8, 9, 12, 11, 10, 11, 9, 10, 8, 9, 10, 8, 9, 9, 12, 11, 10, 11, 9, 10, 8, 9, 10, 9, 13
(list;
graph;
refs;
listen;
history;
text;
internal format)



OFFSET

1,1


LINKS

Table of n, a(n) for n=1..95.


EXAMPLE

The first 5 integersided scalene triangles (a,b,c) with a<b<c are (2,3,4), (2,4,5), (3,4,5), (2,5,6), (3,4,6), of which the middle sidelengths are 3,4,4,5,4.


CROSSREFS

Cf. A107572, A107573, A107575, A107576, A107577, A005044, A070080.
Sequence in context: A271563 A028949 A201006 * A241163 A053405 A133196
Adjacent sequences: A107571 A107572 A107573 * A107575 A107576 A107577


KEYWORD

nonn


AUTHOR

Clark Kimberling, May 16 2005


STATUS

approved



