A166353 - cp's OEIS frontend

A166353 Exponential Riordan array [1+x*tan(x/2),x].

n	a(n)
0	1
1	0
2	1
3	1
4	0
5	1
6	0
7	3
8	0
9	1
10	1
11	0
12	6
13	0
14	1
15	0
16	5
17	0
18	10
19	0
20	1
21	3
22	0
23	15
24	0
25	15
26	0
27	1
28	0
29	21
30	0
31	35
32	0
33	21
34	0
35	1
36	17
37	0
38	84
39	0
40	70
41	0
42	28
43	0
44	1
45	0
46	153
47	0
48	252
49	0
50	126
51	0
52	36
53	0
54	1
55	155
56	0
57	765
58	0
59	630
60	0
61	210
62	0
63	45
64	0
65	1

[1, 0, 1, 1, 0, 1, 0, 3, 0, 1, 1, 0, 6, 0, 1, 0, 5, 0, 10, 0, 1, 3, 0, 15, 0, 15, 0, 1, 0, 21, 0, 35, 0, 21, 0, 1, 17, 0, 84, 0, 70, 0, 28, 0, 1, 0, 153, 0, 252, 0, 126, 0, 36, 0, 1, 155, 0, 765, 0, 630, 0, 210, 0, 45, 0, 1]

cp's OEIS Frontend

A166353 Exponential Riordan array [1+x*tan(x/2),x].

Table of values

List of values

n	a(n)
0	1
1	0
2	1
3	1
4	0
5	1
6	0
7	3
8	0
9	1
10	1
11	0
12	6
13	0
14	1
15	0
16	5
17	0
18	10
19	0
20	1
21	3
22	0
23	15
24	0
25	15
26	0
27	1
28	0
29	21
30	0
31	35
32	0
33	21
34	0
35	1
36	17
37	0
38	84
39	0
40	70
41	0
42	28
43	0
44	1
45	0
46	153
47	0
48	252
49	0
50	126
51	0
52	36
53	0
54	1
55	155
56	0
57	765
58	0
59	630
60	0
61	210
62	0
63	45
64	0
65	1

n	a(n)
0	1
1	0
2	1
3	1
4	0
5	1
6	0
7	3
8	0
9	1
10	1
11	0
12	6
13	0
14	1
15	0
16	5
17	0
18	10
19	0
20	1
21	3
22	0
23	15
24	0
25	15
26	0
27	1
28	0
29	21
30	0
31	35
32	0
33	21
34	0
35	1
36	17
37	0
38	84
39	0
40	70
41	0
42	28
43	0
44	1
45	0
46	153
47	0
48	252
49	0
50	126
51	0
52	36
53	0
54	1
55	155
56	0
57	765
58	0
59	630
60	0
61	210
62	0
63	45
64	0
65	1

n	a(n)
0	1
1	0
2	1
3	1
4	0
5	1
6	0
7	3
8	0
9	1
10	1
11	0
12	6
13	0
14	1
15	0
16	5
17	0
18	10
19	0
20	1
21	3
22	0
23	15
24	0
25	15
26	0
27	1
28	0
29	21
30	0
31	35
32	0
33	21
34	0
35	1
36	17
37	0
38	84
39	0
40	70
41	0
42	28
43	0
44	1
45	0
46	153
47	0
48	252
49	0
50	126
51	0
52	36
53	0
54	1
55	155
56	0
57	765
58	0
59	630
60	0
61	210
62	0
63	45
64	0
65	1