A235501 - cp's OEIS frontend

A235501 Riordan array (1/(1-2*x^2), x/(1-x)).

n	a(n)
0	1
1	0
2	1
3	2
4	1
5	1
6	0
7	3
8	2
9	1
10	4
11	3
12	5
13	3
14	1
15	0
16	7
17	8
18	8
19	4
20	1
21	8
22	7
23	15
24	16
25	12
26	5
27	1
28	0
29	15
30	22
31	31
32	28
33	17
34	6
35	1
36	16
37	15
38	37
39	53
40	59
41	45
42	23
43	7
44	1
45	0
46	31
47	52
48	90
49	112
50	104
51	68
52	30
53	8
54	1
55	32
56	31
57	83
58	142
59	202
60	216
61	172
62	98
63	38
64	9
65	1
66	0
67	63
68	114
69	225

[1, 0, 1, 2, 1, 1, 0, 3, 2, 1, 4, 3, 5, 3, 1, 0, 7, 8, 8, 4, 1, 8, 7, 15, 16, 12, 5, 1, 0, 15, 22, 31, 28, 17, 6, 1, 16, 15, 37, 53, 59, 45, 23, 7, 1, 0, 31, 52, 90, 112, 104, 68, 30, 8, 1, 32, 31, 83, 142, 202, 216, 172, 98, 38, 9, 1, 0, 63, 114, 225]

cp's OEIS Frontend

A235501 Riordan array (1/(1-2*x^2), x/(1-x)).

Table of values

List of values

n	a(n)
0	1
1	0
2	1
3	2
4	1
5	1
6	0
7	3
8	2
9	1
10	4
11	3
12	5
13	3
14	1
15	0
16	7
17	8
18	8
19	4
20	1
21	8
22	7
23	15
24	16
25	12
26	5
27	1
28	0
29	15
30	22
31	31
32	28
33	17
34	6
35	1
36	16
37	15
38	37
39	53
40	59
41	45
42	23
43	7
44	1
45	0
46	31
47	52
48	90
49	112
50	104
51	68
52	30
53	8
54	1
55	32
56	31
57	83
58	142
59	202
60	216
61	172
62	98
63	38
64	9
65	1
66	0
67	63
68	114
69	225

n	a(n)
0	1
1	0
2	1
3	2
4	1
5	1
6	0
7	3
8	2
9	1
10	4
11	3
12	5
13	3
14	1
15	0
16	7
17	8
18	8
19	4
20	1
21	8
22	7
23	15
24	16
25	12
26	5
27	1
28	0
29	15
30	22
31	31
32	28
33	17
34	6
35	1
36	16
37	15
38	37
39	53
40	59
41	45
42	23
43	7
44	1
45	0
46	31
47	52
48	90
49	112
50	104
51	68
52	30
53	8
54	1
55	32
56	31
57	83
58	142
59	202
60	216
61	172
62	98
63	38
64	9
65	1
66	0
67	63
68	114
69	225

n	a(n)
0	1
1	0
2	1
3	2
4	1
5	1
6	0
7	3
8	2
9	1
10	4
11	3
12	5
13	3
14	1
15	0
16	7
17	8
18	8
19	4
20	1
21	8
22	7
23	15
24	16
25	12
26	5
27	1
28	0
29	15
30	22
31	31
32	28
33	17
34	6
35	1
36	16
37	15
38	37
39	53
40	59
41	45
42	23
43	7
44	1
45	0
46	31
47	52
48	90
49	112
50	104
51	68
52	30
53	8
54	1
55	32
56	31
57	83
58	142
59	202
60	216
61	172
62	98
63	38
64	9
65	1
66	0
67	63
68	114
69	225