A272188 - cp's OEIS frontend

A272188 Triangle with 2*n+1 terms per row, read by rows: the first row is 1 (by decree), following rows contain 0 to 2n+1 but omitting 2n.

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

[1, 0, 1, 3, 0, 1, 2, 3, 5, 0, 1, 2, 3, 4, 5, 7, 0, 1, 2, 3, 4, 5, 6, 7, 9, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 17]

cp's OEIS Frontend

A272188 Triangle with 2*n+1 terms per row, read by rows: the first row is 1 (by decree), following rows contain 0 to 2n+1 but omitting 2n.

Table of values

List of values

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

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

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