A098599 - cp's OEIS frontend

A098599 Riordan array ((1+2*x)/(1+x), (1+x)).

n	a(n)
0	1
1	1
2	1
3	-1
4	2
5	1
6	1
7	0
8	3
9	1
10	-1
11	0
12	2
13	4
14	1
15	1
16	0
17	0
18	5
19	5
20	1
21	-1
22	0
23	0
24	2
25	9
26	6
27	1
28	1
29	0
30	0
31	0
32	7
33	14
34	7
35	1
36	-1
37	0
38	0
39	0
40	2
41	16
42	20
43	8
44	1
45	1
46	0
47	0
48	0
49	0
50	9
51	30
52	27
53	9
54	1
55	-1
56	0
57	0
58	0
59	0
60	2
61	25
62	50
63	35
64	10
65	1
66	1
67	0
68	0
69	0
70	0
71	0
72	11
73	55
74	77
75	44
76	11
77	1
78	-1
79	0
80	0
81	0
82	0
83	0
84	2
85	36
86	105
87	112
88	54
89	12
90	1
91	1
92	0
93	0
94	0
95	0
96	0
97	0
98	13
99	91
100	182
101	156
102	65
103	13
104	1

[1, 1, 1, -1, 2, 1, 1, 0, 3, 1, -1, 0, 2, 4, 1, 1, 0, 0, 5, 5, 1, -1, 0, 0, 2, 9, 6, 1, 1, 0, 0, 0, 7, 14, 7, 1, -1, 0, 0, 0, 2, 16, 20, 8, 1, 1, 0, 0, 0, 0, 9, 30, 27, 9, 1, -1, 0, 0, 0, 0, 2, 25, 50, 35, 10, 1, 1, 0, 0, 0, 0, 0, 11, 55, 77, 44, 11, 1, -1, 0, 0, 0, 0, 0, 2, 36, 105, 112, 54, 12, 1, 1, 0, 0, 0, 0, 0, 0, 13, 91, 182, 156, 65, 13, 1]

cp's OEIS Frontend

A098599 Riordan array ((1+2*x)/(1+x), (1+x)).

Table of values

List of values

n	a(n)
0	1
1	1
2	1
3	-1
4	2
5	1
6	1
7	0
8	3
9	1
10	-1
11	0
12	2
13	4
14	1
15	1
16	0
17	0
18	5
19	5
20	1
21	-1
22	0
23	0
24	2
25	9
26	6
27	1
28	1
29	0
30	0
31	0
32	7
33	14
34	7
35	1
36	-1
37	0
38	0
39	0
40	2
41	16
42	20
43	8
44	1
45	1
46	0
47	0
48	0
49	0
50	9
51	30
52	27
53	9
54	1
55	-1
56	0
57	0
58	0
59	0
60	2
61	25
62	50
63	35
64	10
65	1
66	1
67	0
68	0
69	0
70	0
71	0
72	11
73	55
74	77
75	44
76	11
77	1
78	-1
79	0
80	0
81	0
82	0
83	0
84	2
85	36
86	105
87	112
88	54
89	12
90	1
91	1
92	0
93	0
94	0
95	0
96	0
97	0
98	13
99	91
100	182
101	156
102	65
103	13
104	1

n	a(n)
0	1
1	1
2	1
3	-1
4	2
5	1
6	1
7	0
8	3
9	1
10	-1
11	0
12	2
13	4
14	1
15	1
16	0
17	0
18	5
19	5
20	1
21	-1
22	0
23	0
24	2
25	9
26	6
27	1
28	1
29	0
30	0
31	0
32	7
33	14
34	7
35	1
36	-1
37	0
38	0
39	0
40	2
41	16
42	20
43	8
44	1
45	1
46	0
47	0
48	0
49	0
50	9
51	30
52	27
53	9
54	1
55	-1
56	0
57	0
58	0
59	0
60	2
61	25
62	50
63	35
64	10
65	1
66	1
67	0
68	0
69	0
70	0
71	0
72	11
73	55
74	77
75	44
76	11
77	1
78	-1
79	0
80	0
81	0
82	0
83	0
84	2
85	36
86	105
87	112
88	54
89	12
90	1
91	1
92	0
93	0
94	0
95	0
96	0
97	0
98	13
99	91
100	182
101	156
102	65
103	13
104	1

n	a(n)
0	1
1	1
2	1
3	-1
4	2
5	1
6	1
7	0
8	3
9	1
10	-1
11	0
12	2
13	4
14	1
15	1
16	0
17	0
18	5
19	5
20	1
21	-1
22	0
23	0
24	2
25	9
26	6
27	1
28	1
29	0
30	0
31	0
32	7
33	14
34	7
35	1
36	-1
37	0
38	0
39	0
40	2
41	16
42	20
43	8
44	1
45	1
46	0
47	0
48	0
49	0
50	9
51	30
52	27
53	9
54	1
55	-1
56	0
57	0
58	0
59	0
60	2
61	25
62	50
63	35
64	10
65	1
66	1
67	0
68	0
69	0
70	0
71	0
72	11
73	55
74	77
75	44
76	11
77	1
78	-1
79	0
80	0
81	0
82	0
83	0
84	2
85	36
86	105
87	112
88	54
89	12
90	1
91	1
92	0
93	0
94	0
95	0
96	0
97	0
98	13
99	91
100	182
101	156
102	65
103	13
104	1