A178616 - cp's OEIS frontend

A178616 Triangle by columns, odd columns of Pascal's triangle A007318, otherwise (1, 0, 0, 0, ...).

n	a(n)
0	1
1	0
2	1
3	0
4	2
5	1
6	0
7	3
8	0
9	1
10	0
11	4
12	0
13	4
14	1
15	0
16	5
17	0
18	10
19	0
20	1
21	0
22	6
23	0
24	20
25	0
26	6
27	1
28	0
29	7
30	0
31	35
32	0
33	21
34	0
35	1
36	0
37	8
38	0
39	56
40	0
41	56
42	0
43	8
44	0
45	1
46	0
47	9
48	0
49	84
50	0
51	126
52	0
53	36
54	0
55	1
56	0
57	10
58	0
59	120
60	0
61	252
62	0
63	120
64	0
65	10
66	1

[1, 0, 1, 0, 2, 1, 0, 3, 0, 1, 0, 4, 0, 4, 1, 0, 5, 0, 10, 0, 1, 0, 6, 0, 20, 0, 6, 1, 0, 7, 0, 35, 0, 21, 0, 1, 0, 8, 0, 56, 0, 56, 0, 8, 0, 1, 0, 9, 0, 84, 0, 126, 0, 36, 0, 1, 0, 10, 0, 120, 0, 252, 0, 120, 0, 10, 1]

cp's OEIS Frontend

A178616 Triangle by columns, odd columns of Pascal's triangle A007318, otherwise (1, 0, 0, 0, ...).

Table of values

List of values

n	a(n)
0	1
1	0
2	1
3	0
4	2
5	1
6	0
7	3
8	0
9	1
10	0
11	4
12	0
13	4
14	1
15	0
16	5
17	0
18	10
19	0
20	1
21	0
22	6
23	0
24	20
25	0
26	6
27	1
28	0
29	7
30	0
31	35
32	0
33	21
34	0
35	1
36	0
37	8
38	0
39	56
40	0
41	56
42	0
43	8
44	0
45	1
46	0
47	9
48	0
49	84
50	0
51	126
52	0
53	36
54	0
55	1
56	0
57	10
58	0
59	120
60	0
61	252
62	0
63	120
64	0
65	10
66	1

n	a(n)
0	1
1	0
2	1
3	0
4	2
5	1
6	0
7	3
8	0
9	1
10	0
11	4
12	0
13	4
14	1
15	0
16	5
17	0
18	10
19	0
20	1
21	0
22	6
23	0
24	20
25	0
26	6
27	1
28	0
29	7
30	0
31	35
32	0
33	21
34	0
35	1
36	0
37	8
38	0
39	56
40	0
41	56
42	0
43	8
44	0
45	1
46	0
47	9
48	0
49	84
50	0
51	126
52	0
53	36
54	0
55	1
56	0
57	10
58	0
59	120
60	0
61	252
62	0
63	120
64	0
65	10
66	1

n	a(n)
0	1
1	0
2	1
3	0
4	2
5	1
6	0
7	3
8	0
9	1
10	0
11	4
12	0
13	4
14	1
15	0
16	5
17	0
18	10
19	0
20	1
21	0
22	6
23	0
24	20
25	0
26	6
27	1
28	0
29	7
30	0
31	35
32	0
33	21
34	0
35	1
36	0
37	8
38	0
39	56
40	0
41	56
42	0
43	8
44	0
45	1
46	0
47	9
48	0
49	84
50	0
51	126
52	0
53	36
54	0
55	1
56	0
57	10
58	0
59	120
60	0
61	252
62	0
63	120
64	0
65	10
66	1