A120880 - cp's OEIS frontend

A120880 G.f. satisfies: A(x) = A(x^3)(1 + 2x + x^2); thus a(n) = 2^A062756(n), where A062756(n) is the number of 1's in the ternary expansion of n.

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

[1, 2, 1, 2, 4, 2, 1, 2, 1, 2, 4, 2, 4, 8, 4, 2, 4, 2, 1, 2, 1, 2, 4, 2, 1, 2, 1, 2, 4, 2, 4, 8, 4, 2, 4, 2, 4, 8, 4, 8, 16, 8, 4, 8, 4, 2, 4, 2, 4, 8, 4, 2, 4, 2, 1, 2, 1, 2, 4, 2, 1, 2, 1, 2, 4, 2, 4, 8, 4, 2, 4, 2, 1, 2, 1, 2, 4, 2, 1, 2, 1, 2, 4, 2, 4, 8, 4, 2, 4, 2, 4, 8, 4, 8, 16, 8, 4, 8, 4, 2, 4, 2, 4, 8, 4]

cp's OEIS Frontend

A120880 G.f. satisfies: A(x) = A(x^3)(1 + 2x + x^2); thus a(n) = 2^A062756(n), where A062756(n) is the number of 1's in the ternary expansion of n.

Table of values

List of values

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

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

cp's OEIS Frontend

A120880 G.f. satisfies: A(x) = A(x^3)*(1 + 2*x + x^2); thus a(n) = 2^A062756(n), where A062756(n) is the number of 1's in the ternary expansion of n.

Table of values

List of values

A120880 G.f. satisfies: A(x) = A(x^3)(1 + 2x + x^2); thus a(n) = 2^A062756(n), where A062756(n) is the number of 1's in the ternary expansion of n.

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