A159782 - cp's OEIS frontend

A159782 a(0)=1; a(1)=a(2)=a(3)=a(4)=2; a(2n+1)=0 for n >= 2; a(4n)=a(4n-2) = a(n) + a(n+1) for n >= 2.

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

[1, 2, 2, 2, 2, 0, 4, 0, 4, 0, 4, 0, 4, 0, 2, 0, 2, 0, 4, 0, 4, 0, 4, 0, 4, 0, 4, 0, 4, 0, 4, 0, 4, 0, 4, 0, 4, 0, 4, 0, 4, 0, 4, 0, 4, 0, 4, 0, 4, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 4, 0, 4, 0, 4, 0, 4, 0, 4, 0, 4, 0, 4, 0, 4, 0, 4, 0, 4, 0, 4, 0, 4, 0, 4, 0, 4, 0, 4, 0, 4, 0, 4, 0, 4, 0, 4, 0, 4]

cp's OEIS Frontend

A159782 a(0)=1; a(1)=a(2)=a(3)=a(4)=2; a(2n+1)=0 for n >= 2; a(4n)=a(4n-2) = a(n) + a(n+1) for n >= 2.

Table of values

List of values

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

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

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