

A070209


Numbers n such that [A070080(n), A070081(n), A070082(n)] is an integer triangle with integer inradius.


5



17, 116, 212, 269, 368, 370, 493, 561, 587, 659, 850, 1204, 1297, 1582, 1599, 1629, 1920, 1988, 2115, 2352, 2555, 2574, 2774, 2778, 3251, 3473, 3746, 3751, 4286, 4298, 4307, 4313, 4319, 4330, 4370, 4406, 5008, 5251
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OFFSET

1,1


REFERENCES

Mohammad K. Azarian, Circumradius and Inradius, Problem S125, Math Horizons, Vol. 15, Issue 4, April 2008, p. 32. Solution published in Vol. 16, Issue 2, November 2008, p. 32.


LINKS

Eric Weisstein's World of Mathematics, Incircle.


EXAMPLE



CROSSREFS



KEYWORD

nonn


AUTHOR



STATUS

approved



