At 08:30 AM 7/12/2003, you wrote:
>dear seqfans,
>
>I limited my search to 80>=a>b>c>0.
For up to 3500, I get
4 1 2 5
12 9 2 6
18 4 3 6
81 2 36 41
98 12 63 9
147 18 28 9
162 4 9 41
196 3 126 66
225 81 5 19
350 196 5 41
405 25 9 19
588 9 14 66
637 338 28 14
980 25 14 41
1183 98 52 14
1458 28 1323 53
1620 175 882 10
2268 245 450 10