A280679 - cp's OEIS frontend

A280679 The radii (a, b, c) of three primitive mutually tangent circles all touching the same straight line, with a > b > c.

n	a(n)
1	36
2	9
3	4
4	144
5	16
6	9
7	225
8	100
9	36
10	400
11	25
12	16
13	784
14	441
15	144
16	900
17	36
18	25
19	1225
20	196
21	100
22	1600
23	576
24	225
25	1764
26	49
27	36
28	2025
29	1296
30	400
31	3136
32	64
33	49
34	3969
35	324
36	196
37	4356
38	3025
39	900
40	4900
41	900
42	441
43	5184
44	81
45	64
46	5929
47	1936
48	784
49	7056
50	3600
51	1225

[36, 9, 4, 144, 16, 9, 225, 100, 36, 400, 25, 16, 784, 441, 144, 900, 36, 25, 1225, 196, 100, 1600, 576, 225, 1764, 49, 36, 2025, 1296, 400, 3136, 64, 49, 3969, 324, 196, 4356, 3025, 900, 4900, 900, 441, 5184, 81, 64, 5929, 1936, 784, 7056, 3600, 1225]

cp's OEIS Frontend

A280679 The radii (a, b, c) of three primitive mutually tangent circles all touching the same straight line, with a > b > c.

Table of values

List of values