A113408 - cp's OEIS frontend

A113408 Riordan array (1/(1-x^2-x^4c(x^4)),xc(x^2)), c(x) the g.f. of A000108.

n	a(n)
0	1
1	0
2	1
3	1
4	0
5	1
6	0
7	2
8	0
9	1
10	2
11	0
12	3
13	0
14	1
15	0
16	6
17	0
18	4
19	0
20	1
21	3
22	0
23	12
24	0
25	5
26	0
27	1
28	0
29	12
30	0
31	20
32	0
33	6
34	0
35	1
36	6
37	0
38	30
39	0
40	30
41	0
42	7
43	0
44	1
45	0
46	30
47	0
48	60
49	0
50	42
51	0
52	8
53	0
54	1
55	10
56	0
57	90
58	0
59	105
60	0
61	56
62	0
63	9
64	0
65	1
66	0
67	60
68	0
69	210
70	0
71	168
72	0
73	72
74	0
75	10
76	0
77	1
78	20
79	0
80	210
81	0
82	420
83	0
84	252
85	0
86	90
87	0
88	11
89	0
90	1

[1, 0, 1, 1, 0, 1, 0, 2, 0, 1, 2, 0, 3, 0, 1, 0, 6, 0, 4, 0, 1, 3, 0, 12, 0, 5, 0, 1, 0, 12, 0, 20, 0, 6, 0, 1, 6, 0, 30, 0, 30, 0, 7, 0, 1, 0, 30, 0, 60, 0, 42, 0, 8, 0, 1, 10, 0, 90, 0, 105, 0, 56, 0, 9, 0, 1, 0, 60, 0, 210, 0, 168, 0, 72, 0, 10, 0, 1, 20, 0, 210, 0, 420, 0, 252, 0, 90, 0, 11, 0, 1]

cp's OEIS Frontend

A113408 Riordan array (1/(1-x^2-x^4c(x^4)),xc(x^2)), c(x) the g.f. of A000108.

Table of values

List of values

n	a(n)
0	1
1	0
2	1
3	1
4	0
5	1
6	0
7	2
8	0
9	1
10	2
11	0
12	3
13	0
14	1
15	0
16	6
17	0
18	4
19	0
20	1
21	3
22	0
23	12
24	0
25	5
26	0
27	1
28	0
29	12
30	0
31	20
32	0
33	6
34	0
35	1
36	6
37	0
38	30
39	0
40	30
41	0
42	7
43	0
44	1
45	0
46	30
47	0
48	60
49	0
50	42
51	0
52	8
53	0
54	1
55	10
56	0
57	90
58	0
59	105
60	0
61	56
62	0
63	9
64	0
65	1
66	0
67	60
68	0
69	210
70	0
71	168
72	0
73	72
74	0
75	10
76	0
77	1
78	20
79	0
80	210
81	0
82	420
83	0
84	252
85	0
86	90
87	0
88	11
89	0
90	1

n	a(n)
0	1
1	0
2	1
3	1
4	0
5	1
6	0
7	2
8	0
9	1
10	2
11	0
12	3
13	0
14	1
15	0
16	6
17	0
18	4
19	0
20	1
21	3
22	0
23	12
24	0
25	5
26	0
27	1
28	0
29	12
30	0
31	20
32	0
33	6
34	0
35	1
36	6
37	0
38	30
39	0
40	30
41	0
42	7
43	0
44	1
45	0
46	30
47	0
48	60
49	0
50	42
51	0
52	8
53	0
54	1
55	10
56	0
57	90
58	0
59	105
60	0
61	56
62	0
63	9
64	0
65	1
66	0
67	60
68	0
69	210
70	0
71	168
72	0
73	72
74	0
75	10
76	0
77	1
78	20
79	0
80	210
81	0
82	420
83	0
84	252
85	0
86	90
87	0
88	11
89	0
90	1

cp's OEIS Frontend

A113408 Riordan array (1/(1-x^2-x^4*c(x^4)),x*c(x^2)), c(x) the g.f. of A000108.

Table of values

List of values

A113408 Riordan array (1/(1-x^2-x^4c(x^4)),xc(x^2)), c(x) the g.f. of A000108.

n	a(n)
0	1
1	0
2	1
3	1
4	0
5	1
6	0
7	2
8	0
9	1
10	2
11	0
12	3
13	0
14	1
15	0
16	6
17	0
18	4
19	0
20	1
21	3
22	0
23	12
24	0
25	5
26	0
27	1
28	0
29	12
30	0
31	20
32	0
33	6
34	0
35	1
36	6
37	0
38	30
39	0
40	30
41	0
42	7
43	0
44	1
45	0
46	30
47	0
48	60
49	0
50	42
51	0
52	8
53	0
54	1
55	10
56	0
57	90
58	0
59	105
60	0
61	56
62	0
63	9
64	0
65	1
66	0
67	60
68	0
69	210
70	0
71	168
72	0
73	72
74	0
75	10
76	0
77	1
78	20
79	0
80	210
81	0
82	420
83	0
84	252
85	0
86	90
87	0
88	11
89	0
90	1