A004197 - cp's OEIS frontend

A004197 Triangle read by rows. T(n, k) = n - k if n - k < k, otherwise k.

n	a(n)
0	0
1	0
2	0
3	0
4	1
5	0
6	0
7	1
8	1
9	0
10	0
11	1
12	2
13	1
14	0
15	0
16	1
17	2
18	2
19	1
20	0
21	0
22	1
23	2
24	3
25	2
26	1
27	0
28	0
29	1
30	2
31	3
32	3
33	2
34	1
35	0
36	0
37	1
38	2
39	3
40	4
41	3
42	2
43	1
44	0
45	0
46	1
47	2
48	3
49	4
50	4
51	3
52	2
53	1
54	0
55	0
56	1
57	2
58	3
59	4
60	5
61	4
62	3
63	2
64	1
65	0
66	0
67	1
68	2
69	3
70	4
71	5
72	5
73	4
74	3
75	2
76	1
77	0
78	0
79	1
80	2
81	3
82	4
83	5
84	6
85	5
86	4
87	3
88	2
89	1
90	0
91	0
92	1
93	2
94	3
95	4
96	5
97	6
98	6
99	5
100	4
101	3
102	2
103	1
104	0
105	0
106	1
107	2

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

cp's OEIS Frontend

A004197 Triangle read by rows. T(n, k) = n - k if n - k < k, otherwise k.

Table of values

List of values

n	a(n)
0	0
1	0
2	0
3	0
4	1
5	0
6	0
7	1
8	1
9	0
10	0
11	1
12	2
13	1
14	0
15	0
16	1
17	2
18	2
19	1
20	0
21	0
22	1
23	2
24	3
25	2
26	1
27	0
28	0
29	1
30	2
31	3
32	3
33	2
34	1
35	0
36	0
37	1
38	2
39	3
40	4
41	3
42	2
43	1
44	0
45	0
46	1
47	2
48	3
49	4
50	4
51	3
52	2
53	1
54	0
55	0
56	1
57	2
58	3
59	4
60	5
61	4
62	3
63	2
64	1
65	0
66	0
67	1
68	2
69	3
70	4
71	5
72	5
73	4
74	3
75	2
76	1
77	0
78	0
79	1
80	2
81	3
82	4
83	5
84	6
85	5
86	4
87	3
88	2
89	1
90	0
91	0
92	1
93	2
94	3
95	4
96	5
97	6
98	6
99	5
100	4
101	3
102	2
103	1
104	0
105	0
106	1
107	2

n	a(n)
0	0
1	0
2	0
3	0
4	1
5	0
6	0
7	1
8	1
9	0
10	0
11	1
12	2
13	1
14	0
15	0
16	1
17	2
18	2
19	1
20	0
21	0
22	1
23	2
24	3
25	2
26	1
27	0
28	0
29	1
30	2
31	3
32	3
33	2
34	1
35	0
36	0
37	1
38	2
39	3
40	4
41	3
42	2
43	1
44	0
45	0
46	1
47	2
48	3
49	4
50	4
51	3
52	2
53	1
54	0
55	0
56	1
57	2
58	3
59	4
60	5
61	4
62	3
63	2
64	1
65	0
66	0
67	1
68	2
69	3
70	4
71	5
72	5
73	4
74	3
75	2
76	1
77	0
78	0
79	1
80	2
81	3
82	4
83	5
84	6
85	5
86	4
87	3
88	2
89	1
90	0
91	0
92	1
93	2
94	3
95	4
96	5
97	6
98	6
99	5
100	4
101	3
102	2
103	1
104	0
105	0
106	1
107	2

n	a(n)
0	0
1	0
2	0
3	0
4	1
5	0
6	0
7	1
8	1
9	0
10	0
11	1
12	2
13	1
14	0
15	0
16	1
17	2
18	2
19	1
20	0
21	0
22	1
23	2
24	3
25	2
26	1
27	0
28	0
29	1
30	2
31	3
32	3
33	2
34	1
35	0
36	0
37	1
38	2
39	3
40	4
41	3
42	2
43	1
44	0
45	0
46	1
47	2
48	3
49	4
50	4
51	3
52	2
53	1
54	0
55	0
56	1
57	2
58	3
59	4
60	5
61	4
62	3
63	2
64	1
65	0
66	0
67	1
68	2
69	3
70	4
71	5
72	5
73	4
74	3
75	2
76	1
77	0
78	0
79	1
80	2
81	3
82	4
83	5
84	6
85	5
86	4
87	3
88	2
89	1
90	0
91	0
92	1
93	2
94	3
95	4
96	5
97	6
98	6
99	5
100	4
101	3
102	2
103	1
104	0
105	0
106	1
107	2