A051777 - cp's OEIS frontend

A051777 Triangle read by rows, where row (n) = n mod n, n mod (n-1), n mod (n-2), ...n mod 1.

n	a(n)
1	0
2	0
3	0
4	0
5	1
6	0
7	0
8	1
9	0
10	0
11	0
12	1
13	2
14	1
15	0
16	0
17	1
18	2
19	0
20	0
21	0
22	0
23	1
24	2
25	3
26	1
27	1
28	0
29	0
30	1
31	2
32	3
33	0
34	2
35	0
36	0
37	0
38	1
39	2
40	3
41	4
42	1
43	0
44	1
45	0
46	0
47	1
48	2
49	3
50	4
51	0
52	2
53	1
54	0
55	0
56	0
57	1
58	2
59	3
60	4
61	5
62	1
63	3
64	2
65	1
66	0
67	0
68	1
69	2
70	3
71	4
72	5
73	0
74	2
75	0
76	0
77	0
78	0
79	0
80	1
81	2
82	3
83	4
84	5
85	6
86	1
87	3
88	1
89	1
90	1
91	0
92	0
93	1
94	2
95	3
96	4
97	5
98	6
99	0
100	2
101	4
102	2
103	2
104	0
105	0

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

cp's OEIS Frontend

A051777 Triangle read by rows, where row (n) = n mod n, n mod (n-1), n mod (n-2), ...n mod 1.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	0
5	1
6	0
7	0
8	1
9	0
10	0
11	0
12	1
13	2
14	1
15	0
16	0
17	1
18	2
19	0
20	0
21	0
22	0
23	1
24	2
25	3
26	1
27	1
28	0
29	0
30	1
31	2
32	3
33	0
34	2
35	0
36	0
37	0
38	1
39	2
40	3
41	4
42	1
43	0
44	1
45	0
46	0
47	1
48	2
49	3
50	4
51	0
52	2
53	1
54	0
55	0
56	0
57	1
58	2
59	3
60	4
61	5
62	1
63	3
64	2
65	1
66	0
67	0
68	1
69	2
70	3
71	4
72	5
73	0
74	2
75	0
76	0
77	0
78	0
79	0
80	1
81	2
82	3
83	4
84	5
85	6
86	1
87	3
88	1
89	1
90	1
91	0
92	0
93	1
94	2
95	3
96	4
97	5
98	6
99	0
100	2
101	4
102	2
103	2
104	0
105	0

n	a(n)
1	0
2	0
3	0
4	0
5	1
6	0
7	0
8	1
9	0
10	0
11	0
12	1
13	2
14	1
15	0
16	0
17	1
18	2
19	0
20	0
21	0
22	0
23	1
24	2
25	3
26	1
27	1
28	0
29	0
30	1
31	2
32	3
33	0
34	2
35	0
36	0
37	0
38	1
39	2
40	3
41	4
42	1
43	0
44	1
45	0
46	0
47	1
48	2
49	3
50	4
51	0
52	2
53	1
54	0
55	0
56	0
57	1
58	2
59	3
60	4
61	5
62	1
63	3
64	2
65	1
66	0
67	0
68	1
69	2
70	3
71	4
72	5
73	0
74	2
75	0
76	0
77	0
78	0
79	0
80	1
81	2
82	3
83	4
84	5
85	6
86	1
87	3
88	1
89	1
90	1
91	0
92	0
93	1
94	2
95	3
96	4
97	5
98	6
99	0
100	2
101	4
102	2
103	2
104	0
105	0

n	a(n)
1	0
2	0
3	0
4	0
5	1
6	0
7	0
8	1
9	0
10	0
11	0
12	1
13	2
14	1
15	0
16	0
17	1
18	2
19	0
20	0
21	0
22	0
23	1
24	2
25	3
26	1
27	1
28	0
29	0
30	1
31	2
32	3
33	0
34	2
35	0
36	0
37	0
38	1
39	2
40	3
41	4
42	1
43	0
44	1
45	0
46	0
47	1
48	2
49	3
50	4
51	0
52	2
53	1
54	0
55	0
56	0
57	1
58	2
59	3
60	4
61	5
62	1
63	3
64	2
65	1
66	0
67	0
68	1
69	2
70	3
71	4
72	5
73	0
74	2
75	0
76	0
77	0
78	0
79	0
80	1
81	2
82	3
83	4
84	5
85	6
86	1
87	3
88	1
89	1
90	1
91	0
92	0
93	1
94	2
95	3
96	4
97	5
98	6
99	0
100	2
101	4
102	2
103	2
104	0
105	0