A355859 - cp's OEIS frontend

A355859 Triangle read by rows: T(n,k) = (n + k)/2 if (n + k) is congruent to 0 (mod 2), otherwise T(n,k) = 0; n >= 1, k >= 1.

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

[1, 0, 2, 2, 0, 3, 0, 3, 0, 4, 3, 0, 4, 0, 5, 0, 4, 0, 5, 0, 6, 4, 0, 5, 0, 6, 0, 7, 0, 5, 0, 6, 0, 7, 0, 8, 5, 0, 6, 0, 7, 0, 8, 0, 9, 0, 6, 0, 7, 0, 8, 0, 9, 0, 10, 6, 0, 7, 0, 8, 0, 9, 0, 10, 0, 11, 0, 7, 0, 8, 0, 9, 0, 10, 0, 11, 0, 12, 7, 0, 8, 0, 9, 0, 10, 0, 11, 0, 12, 0, 13, 0]

cp's OEIS Frontend

A355859 Triangle read by rows: T(n,k) = (n + k)/2 if (n + k) is congruent to 0 (mod 2), otherwise T(n,k) = 0; n >= 1, k >= 1.

Table of values

List of values

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

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

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