A245558 - cp's OEIS frontend

A245558 Square array read by antidiagonals: T(n,k) = number of n-tuples of nonnegative integers (u_0,...,u_{n-1}) satisfying Sum_{j=0..n-1} j*u_j == 1 mod n and Sum_{j=0..n-1} u_j = m.

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	2
9	2
10	1
11	1
12	2
13	3
14	2
15	1
16	1
17	3
18	5
19	5
20	3
21	1
22	1
23	3
24	7
25	8
26	7
27	3
28	1
29	1
30	4
31	9
32	14
33	14
34	9
35	4
36	1
37	1
38	4
39	12
40	20
41	25
42	20
43	12
44	4
45	1
46	1
47	5
48	15
49	30
50	42
51	42
52	30
53	15
54	5
55	1
56	1
57	5
58	18
59	40
60	66
61	75
62	66
63	40
64	18
65	5
66	1
67	1
68	6
69	22
70	55
71	99
72	132
73	132
74	99
75	55
76	22
77	6
78	1

[1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 2, 3, 2, 1, 1, 3, 5, 5, 3, 1, 1, 3, 7, 8, 7, 3, 1, 1, 4, 9, 14, 14, 9, 4, 1, 1, 4, 12, 20, 25, 20, 12, 4, 1, 1, 5, 15, 30, 42, 42, 30, 15, 5, 1, 1, 5, 18, 40, 66, 75, 66, 40, 18, 5, 1, 1, 6, 22, 55, 99, 132, 132, 99, 55, 22, 6, 1]

cp's OEIS Frontend

A245558 Square array read by antidiagonals: T(n,k) = number of n-tuples of nonnegative integers (u_0,...,u_{n-1}) satisfying Sum_{j=0..n-1} j*u_j == 1 mod n and Sum_{j=0..n-1} u_j = m.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	2
9	2
10	1
11	1
12	2
13	3
14	2
15	1
16	1
17	3
18	5
19	5
20	3
21	1
22	1
23	3
24	7
25	8
26	7
27	3
28	1
29	1
30	4
31	9
32	14
33	14
34	9
35	4
36	1
37	1
38	4
39	12
40	20
41	25
42	20
43	12
44	4
45	1
46	1
47	5
48	15
49	30
50	42
51	42
52	30
53	15
54	5
55	1
56	1
57	5
58	18
59	40
60	66
61	75
62	66
63	40
64	18
65	5
66	1
67	1
68	6
69	22
70	55
71	99
72	132
73	132
74	99
75	55
76	22
77	6
78	1

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	2
9	2
10	1
11	1
12	2
13	3
14	2
15	1
16	1
17	3
18	5
19	5
20	3
21	1
22	1
23	3
24	7
25	8
26	7
27	3
28	1
29	1
30	4
31	9
32	14
33	14
34	9
35	4
36	1
37	1
38	4
39	12
40	20
41	25
42	20
43	12
44	4
45	1
46	1
47	5
48	15
49	30
50	42
51	42
52	30
53	15
54	5
55	1
56	1
57	5
58	18
59	40
60	66
61	75
62	66
63	40
64	18
65	5
66	1
67	1
68	6
69	22
70	55
71	99
72	132
73	132
74	99
75	55
76	22
77	6
78	1

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	2
9	2
10	1
11	1
12	2
13	3
14	2
15	1
16	1
17	3
18	5
19	5
20	3
21	1
22	1
23	3
24	7
25	8
26	7
27	3
28	1
29	1
30	4
31	9
32	14
33	14
34	9
35	4
36	1
37	1
38	4
39	12
40	20
41	25
42	20
43	12
44	4
45	1
46	1
47	5
48	15
49	30
50	42
51	42
52	30
53	15
54	5
55	1
56	1
57	5
58	18
59	40
60	66
61	75
62	66
63	40
64	18
65	5
66	1
67	1
68	6
69	22
70	55
71	99
72	132
73	132
74	99
75	55
76	22
77	6
78	1