A263730 - cp's OEIS frontend

A263730 Irregular triangle read by rows in which row n > 1 lists k such that (k^2 + k*n)/(k + 1) is an integer.

n	a(n)
2	0
3	0
4	1
5	0
6	2
7	0
8	1
9	3
10	0
11	4
12	0
13	1
14	2
15	5
16	0
17	6
18	0
19	1
20	3
21	7
22	0
23	2
24	8
25	0
26	1
27	4
28	9
29	0
30	10
31	0
32	1
33	2
34	3
35	5
36	11
37	0
38	12
39	0
40	1
41	6
42	13
43	0
44	2
45	4
46	14
47	0
48	1
49	3
50	7
51	15
52	0
53	16
54	0
55	1
56	2
57	5
58	8
59	17
60	0
61	18
62	0
63	1
64	3
65	4
66	9
67	19
68	0
69	2
70	6
71	20
72	0
73	1
74	10
75	21
76	0
77	22
78	0
79	1
80	2
81	3
82	5
83	7
84	11
85	23
86	0
87	4
88	24
89	0
90	1
91	12
92	25

[0, 0, 1, 0, 2, 0, 1, 3, 0, 4, 0, 1, 2, 5, 0, 6, 0, 1, 3, 7, 0, 2, 8, 0, 1, 4, 9, 0, 10, 0, 1, 2, 3, 5, 11, 0, 12, 0, 1, 6, 13, 0, 2, 4, 14, 0, 1, 3, 7, 15, 0, 16, 0, 1, 2, 5, 8, 17, 0, 18, 0, 1, 3, 4, 9, 19, 0, 2, 6, 20, 0, 1, 10, 21, 0, 22, 0, 1, 2, 3, 5, 7, 11, 23, 0, 4, 24, 0, 1, 12, 25]

cp's OEIS Frontend

A263730 Irregular triangle read by rows in which row n > 1 lists k such that (k^2 + k*n)/(k + 1) is an integer.

Table of values

List of values

n	a(n)
2	0
3	0
4	1
5	0
6	2
7	0
8	1
9	3
10	0
11	4
12	0
13	1
14	2
15	5
16	0
17	6
18	0
19	1
20	3
21	7
22	0
23	2
24	8
25	0
26	1
27	4
28	9
29	0
30	10
31	0
32	1
33	2
34	3
35	5
36	11
37	0
38	12
39	0
40	1
41	6
42	13
43	0
44	2
45	4
46	14
47	0
48	1
49	3
50	7
51	15
52	0
53	16
54	0
55	1
56	2
57	5
58	8
59	17
60	0
61	18
62	0
63	1
64	3
65	4
66	9
67	19
68	0
69	2
70	6
71	20
72	0
73	1
74	10
75	21
76	0
77	22
78	0
79	1
80	2
81	3
82	5
83	7
84	11
85	23
86	0
87	4
88	24
89	0
90	1
91	12
92	25

n	a(n)
2	0
3	0
4	1
5	0
6	2
7	0
8	1
9	3
10	0
11	4
12	0
13	1
14	2
15	5
16	0
17	6
18	0
19	1
20	3
21	7
22	0
23	2
24	8
25	0
26	1
27	4
28	9
29	0
30	10
31	0
32	1
33	2
34	3
35	5
36	11
37	0
38	12
39	0
40	1
41	6
42	13
43	0
44	2
45	4
46	14
47	0
48	1
49	3
50	7
51	15
52	0
53	16
54	0
55	1
56	2
57	5
58	8
59	17
60	0
61	18
62	0
63	1
64	3
65	4
66	9
67	19
68	0
69	2
70	6
71	20
72	0
73	1
74	10
75	21
76	0
77	22
78	0
79	1
80	2
81	3
82	5
83	7
84	11
85	23
86	0
87	4
88	24
89	0
90	1
91	12
92	25

n	a(n)
2	0
3	0
4	1
5	0
6	2
7	0
8	1
9	3
10	0
11	4
12	0
13	1
14	2
15	5
16	0
17	6
18	0
19	1
20	3
21	7
22	0
23	2
24	8
25	0
26	1
27	4
28	9
29	0
30	10
31	0
32	1
33	2
34	3
35	5
36	11
37	0
38	12
39	0
40	1
41	6
42	13
43	0
44	2
45	4
46	14
47	0
48	1
49	3
50	7
51	15
52	0
53	16
54	0
55	1
56	2
57	5
58	8
59	17
60	0
61	18
62	0
63	1
64	3
65	4
66	9
67	19
68	0
69	2
70	6
71	20
72	0
73	1
74	10
75	21
76	0
77	22
78	0
79	1
80	2
81	3
82	5
83	7
84	11
85	23
86	0
87	4
88	24
89	0
90	1
91	12
92	25