A206826 - cp's OEIS frontend

A206826 Number of solutions (n,k) of s(k)=s(n) (mod n), where 1<=k and s(k)=k(k+1)(k+2)/6.

n	a(n)
1	0
2	2
3	1
4	2
5	1
6	2
7	1
8	2
9	3
10	2
11	2
12	2
13	3
14	4
15	1
16	2
17	1
18	2
19	6
20	3
21	3
22	2
23	4
24	2
25	3
26	2
27	6
28	2
29	5
30	2
31	1
32	3
33	3
34	8
35	3
36	2
37	3
38	4
39	6
40	2
41	3
42	2
43	6
44	3
45	3
46	2
47	2
48	2
49	3
50	5
51	6
52	2
53	1
54	8
55	6
56	5
57	3
58	2
59	8
60	2
61	3
62	5
63	1
64	8
65	5
66	2
67	6
68	4
69	12
70	2
71	2
72	2
73	3
74	3
75	6
76	8
77	4
78	2
79	6
80	2
81	3
82	2
83	8
84	8
85	3
86	3
87	6
88	2
89	5
90	8
91	6
92	4
93	3
94	8
95	2
96	2
97	3
98	4
99	6

[0, 2, 1, 2, 1, 2, 1, 2, 3, 2, 2, 2, 3, 4, 1, 2, 1, 2, 6, 3, 3, 2, 4, 2, 3, 2, 6, 2, 5, 2, 1, 3, 3, 8, 3, 2, 3, 4, 6, 2, 3, 2, 6, 3, 3, 2, 2, 2, 3, 5, 6, 2, 1, 8, 6, 5, 3, 2, 8, 2, 3, 5, 1, 8, 5, 2, 6, 4, 12, 2, 2, 2, 3, 3, 6, 8, 4, 2, 6, 2, 3, 2, 8, 8, 3, 3, 6, 2, 5, 8, 6, 4, 3, 8, 2, 2, 3, 4, 6]

cp's OEIS Frontend

A206826 Number of solutions (n,k) of s(k)=s(n) (mod n), where 1<=k and s(k)=k(k+1)(k+2)/6.

Table of values

List of values

n	a(n)
1	0
2	2
3	1
4	2
5	1
6	2
7	1
8	2
9	3
10	2
11	2
12	2
13	3
14	4
15	1
16	2
17	1
18	2
19	6
20	3
21	3
22	2
23	4
24	2
25	3
26	2
27	6
28	2
29	5
30	2
31	1
32	3
33	3
34	8
35	3
36	2
37	3
38	4
39	6
40	2
41	3
42	2
43	6
44	3
45	3
46	2
47	2
48	2
49	3
50	5
51	6
52	2
53	1
54	8
55	6
56	5
57	3
58	2
59	8
60	2
61	3
62	5
63	1
64	8
65	5
66	2
67	6
68	4
69	12
70	2
71	2
72	2
73	3
74	3
75	6
76	8
77	4
78	2
79	6
80	2
81	3
82	2
83	8
84	8
85	3
86	3
87	6
88	2
89	5
90	8
91	6
92	4
93	3
94	8
95	2
96	2
97	3
98	4
99	6

n	a(n)
1	0
2	2
3	1
4	2
5	1
6	2
7	1
8	2
9	3
10	2
11	2
12	2
13	3
14	4
15	1
16	2
17	1
18	2
19	6
20	3
21	3
22	2
23	4
24	2
25	3
26	2
27	6
28	2
29	5
30	2
31	1
32	3
33	3
34	8
35	3
36	2
37	3
38	4
39	6
40	2
41	3
42	2
43	6
44	3
45	3
46	2
47	2
48	2
49	3
50	5
51	6
52	2
53	1
54	8
55	6
56	5
57	3
58	2
59	8
60	2
61	3
62	5
63	1
64	8
65	5
66	2
67	6
68	4
69	12
70	2
71	2
72	2
73	3
74	3
75	6
76	8
77	4
78	2
79	6
80	2
81	3
82	2
83	8
84	8
85	3
86	3
87	6
88	2
89	5
90	8
91	6
92	4
93	3
94	8
95	2
96	2
97	3
98	4
99	6

n	a(n)
1	0
2	2
3	1
4	2
5	1
6	2
7	1
8	2
9	3
10	2
11	2
12	2
13	3
14	4
15	1
16	2
17	1
18	2
19	6
20	3
21	3
22	2
23	4
24	2
25	3
26	2
27	6
28	2
29	5
30	2
31	1
32	3
33	3
34	8
35	3
36	2
37	3
38	4
39	6
40	2
41	3
42	2
43	6
44	3
45	3
46	2
47	2
48	2
49	3
50	5
51	6
52	2
53	1
54	8
55	6
56	5
57	3
58	2
59	8
60	2
61	3
62	5
63	1
64	8
65	5
66	2
67	6
68	4
69	12
70	2
71	2
72	2
73	3
74	3
75	6
76	8
77	4
78	2
79	6
80	2
81	3
82	2
83	8
84	8
85	3
86	3
87	6
88	2
89	5
90	8
91	6
92	4
93	3
94	8
95	2
96	2
97	3
98	4
99	6