A082183 - cp's OEIS frontend

A082183 Smallest k > 0 such that T(n) + T(k) = T(m), for some m, T(i) being the triangular numbers, n > 1.

n	a(n)
2	2
3	5
4	9
5	3
6	5
7	27
8	10
9	4
10	8
11	14
12	17
13	9
14	5
15	21
16	135
17	12
18	14
19	35
20	6
21	9
22	17
23	30
24	12
25	18
26	10
27	7
28	54
29	21
30	23
31	495
32	42
33	14
34	26
35	8
36	49
37	27
38	15
39	20
40	98
41	30
42	32
43	80
44	9
45	19
46	35
47	62
48	45
49	17
50	20
51	14
52	99
53	39
54	10
55	18
56	54
57	24
58	44
59	78
60	81
61	45
62	25
63	85
64	153
65	11
66	50
67	125
68	20
69	29
70	53
71	94
72	97

[2, 5, 9, 3, 5, 27, 10, 4, 8, 14, 17, 9, 5, 21, 135, 12, 14, 35, 6, 9, 17, 30, 12, 18, 10, 7, 54, 21, 23, 495, 42, 14, 26, 8, 49, 27, 15, 20, 98, 30, 32, 80, 9, 19, 35, 62, 45, 17, 20, 14, 99, 39, 10, 18, 54, 24, 44, 78, 81, 45, 25, 85, 153, 11, 50, 125, 20, 29, 53, 94, 97]

cp's OEIS Frontend

A082183 Smallest k > 0 such that T(n) + T(k) = T(m), for some m, T(i) being the triangular numbers, n > 1.

Table of values

List of values

n	a(n)
2	2
3	5
4	9
5	3
6	5
7	27
8	10
9	4
10	8
11	14
12	17
13	9
14	5
15	21
16	135
17	12
18	14
19	35
20	6
21	9
22	17
23	30
24	12
25	18
26	10
27	7
28	54
29	21
30	23
31	495
32	42
33	14
34	26
35	8
36	49
37	27
38	15
39	20
40	98
41	30
42	32
43	80
44	9
45	19
46	35
47	62
48	45
49	17
50	20
51	14
52	99
53	39
54	10
55	18
56	54
57	24
58	44
59	78
60	81
61	45
62	25
63	85
64	153
65	11
66	50
67	125
68	20
69	29
70	53
71	94
72	97

n	a(n)
2	2
3	5
4	9
5	3
6	5
7	27
8	10
9	4
10	8
11	14
12	17
13	9
14	5
15	21
16	135
17	12
18	14
19	35
20	6
21	9
22	17
23	30
24	12
25	18
26	10
27	7
28	54
29	21
30	23
31	495
32	42
33	14
34	26
35	8
36	49
37	27
38	15
39	20
40	98
41	30
42	32
43	80
44	9
45	19
46	35
47	62
48	45
49	17
50	20
51	14
52	99
53	39
54	10
55	18
56	54
57	24
58	44
59	78
60	81
61	45
62	25
63	85
64	153
65	11
66	50
67	125
68	20
69	29
70	53
71	94
72	97

n	a(n)
2	2
3	5
4	9
5	3
6	5
7	27
8	10
9	4
10	8
11	14
12	17
13	9
14	5
15	21
16	135
17	12
18	14
19	35
20	6
21	9
22	17
23	30
24	12
25	18
26	10
27	7
28	54
29	21
30	23
31	495
32	42
33	14
34	26
35	8
36	49
37	27
38	15
39	20
40	98
41	30
42	32
43	80
44	9
45	19
46	35
47	62
48	45
49	17
50	20
51	14
52	99
53	39
54	10
55	18
56	54
57	24
58	44
59	78
60	81
61	45
62	25
63	85
64	153
65	11
66	50
67	125
68	20
69	29
70	53
71	94
72	97