A232179 - cp's OEIS frontend

A232179 Least k >= 0 such that n^2 + triangular(k) is a triangular number.

n	a(n)
0	0
1	0
2	3
3	1
4	15
5	2
6	0
7	3
8	63
9	4
10	8
11	5
12	11
13	6
14	20
15	3
16	255
17	8
18	1
19	9
20	3
21	10
22	38
23	11
24	59
25	12
26	45
27	13
28	8
29	14
30	2
31	15
32	1023
33	16
34	59
35	0
36	24
37	18
38	66
39	19
40	51
41	20
42	3
43	21
44	44
45	10
46	80
47	23
48	251
49	24
50	42
51	25
52	68
53	26
54	4
55	27
56	39
57	28
58	101
59	29
60	10
61	30
62	108
63	8
64	4095
65	32
66	5
67	33
68	128

[0, 0, 3, 1, 15, 2, 0, 3, 63, 4, 8, 5, 11, 6, 20, 3, 255, 8, 1, 9, 3, 10, 38, 11, 59, 12, 45, 13, 8, 14, 2, 15, 1023, 16, 59, 0, 24, 18, 66, 19, 51, 20, 3, 21, 44, 10, 80, 23, 251, 24, 42, 25, 68, 26, 4, 27, 39, 28, 101, 29, 10, 30, 108, 8, 4095, 32, 5, 33, 128]

cp's OEIS Frontend

A232179 Least k >= 0 such that n^2 + triangular(k) is a triangular number.

Table of values

List of values