A078412 - cp's OEIS frontend

A078412 a(0) = 5, a(1) = 8; for n >1, a(n)=(a(n-1)+a(n-2))/3^n, where 3^n is the highest power of 3 dividing a(n-1)+a(n-2).

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

[5, 8, 13, 7, 20, 1, 7, 8, 5, 13, 2, 5, 7, 4, 11, 5, 16, 7, 23, 10, 11, 7, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2]

cp's OEIS Frontend

A078412 a(0) = 5, a(1) = 8; for n >1, a(n)=(a(n-1)+a(n-2))/3^n, where 3^n is the highest power of 3 dividing a(n-1)+a(n-2).

Table of values

List of values

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

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

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