A147746 - cp's OEIS frontend

A147746 Riordan array (1, x(1-2x)/(1-3x+x^2)).

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	0
7	2
8	2
9	1
10	0
11	5
12	5
13	3
14	1
15	0
16	13
17	14
18	9
19	4
20	1
21	0
22	34
23	40
24	28
25	14
26	5
27	1
28	0
29	89
30	114
31	87
32	48
33	20
34	6
35	1
36	0
37	233
38	323
39	267
40	161
41	75
42	27
43	7
44	1
45	0
46	610
47	910
48	809
49	528
50	270
51	110
52	35
53	8
54	1

[1, 0, 1, 0, 1, 1, 0, 2, 2, 1, 0, 5, 5, 3, 1, 0, 13, 14, 9, 4, 1, 0, 34, 40, 28, 14, 5, 1, 0, 89, 114, 87, 48, 20, 6, 1, 0, 233, 323, 267, 161, 75, 27, 7, 1, 0, 610, 910, 809, 528, 270, 110, 35, 8, 1]

cp's OEIS Frontend

A147746 Riordan array (1, x(1-2x)/(1-3x+x^2)).

Table of values

List of values

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	0
7	2
8	2
9	1
10	0
11	5
12	5
13	3
14	1
15	0
16	13
17	14
18	9
19	4
20	1
21	0
22	34
23	40
24	28
25	14
26	5
27	1
28	0
29	89
30	114
31	87
32	48
33	20
34	6
35	1
36	0
37	233
38	323
39	267
40	161
41	75
42	27
43	7
44	1
45	0
46	610
47	910
48	809
49	528
50	270
51	110
52	35
53	8
54	1

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	0
7	2
8	2
9	1
10	0
11	5
12	5
13	3
14	1
15	0
16	13
17	14
18	9
19	4
20	1
21	0
22	34
23	40
24	28
25	14
26	5
27	1
28	0
29	89
30	114
31	87
32	48
33	20
34	6
35	1
36	0
37	233
38	323
39	267
40	161
41	75
42	27
43	7
44	1
45	0
46	610
47	910
48	809
49	528
50	270
51	110
52	35
53	8
54	1

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	0
7	2
8	2
9	1
10	0
11	5
12	5
13	3
14	1
15	0
16	13
17	14
18	9
19	4
20	1
21	0
22	34
23	40
24	28
25	14
26	5
27	1
28	0
29	89
30	114
31	87
32	48
33	20
34	6
35	1
36	0
37	233
38	323
39	267
40	161
41	75
42	27
43	7
44	1
45	0
46	610
47	910
48	809
49	528
50	270
51	110
52	35
53	8
54	1