A335640 - cp's OEIS frontend

A335640 Numbers k of the form r^2 - trs + s^2, where r, s and t are positive integers, r + s = k and t < r <= s.

n	a(n)
1	4
2	9
3	16
4	25
5	36
6	45
7	49
8	64
9	81
10	96
11	100
12	121
13	144
14	169
15	175
16	196
17	225
18	256
19	288
20	289
21	320
22	324
23	361
24	400
25	441
26	484
27	529
28	576
29	625
30	640
31	676
32	729
33	784
34	841
35	891
36	900
37	961
38	1024
39	1089
40	1156
41	1200
42	1225
43	1296
44	1350
45	1369
46	1444
47	1521
48	1573
49	1600
50	1681
51	1764
52	1849
53	1936
54	2016

[4, 9, 16, 25, 36, 45, 49, 64, 81, 96, 100, 121, 144, 169, 175, 196, 225, 256, 288, 289, 320, 324, 361, 400, 441, 484, 529, 576, 625, 640, 676, 729, 784, 841, 891, 900, 961, 1024, 1089, 1156, 1200, 1225, 1296, 1350, 1369, 1444, 1521, 1573, 1600, 1681, 1764, 1849, 1936, 2016]

cp's OEIS Frontend

A335640 Numbers k of the form r^2 - trs + s^2, where r, s and t are positive integers, r + s = k and t < r <= s.

Table of values

List of values

cp's OEIS Frontend

A335640 Numbers k of the form r^2 - t*r*s + s^2, where r, s and t are positive integers, r + s = k and t < r <= s.

Table of values

List of values

A335640 Numbers k of the form r^2 - trs + s^2, where r, s and t are positive integers, r + s = k and t < r <= s.