A291771 - cp's OEIS frontend

A291771 Filter based on runlengths of 0-digits in base-3 expansion of n: a(n) = A278222(A291770(n)).

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

[1, 1, 2, 1, 1, 2, 1, 1, 4, 2, 2, 2, 1, 1, 2, 1, 1, 4, 2, 2, 2, 1, 1, 2, 1, 1, 8, 4, 4, 6, 2, 2, 6, 2, 2, 4, 2, 2, 2, 1, 1, 2, 1, 1, 4, 2, 2, 2, 1, 1, 2, 1, 1, 8, 4, 4, 6, 2, 2, 6, 2, 2, 4, 2, 2, 2, 1, 1, 2, 1, 1, 4, 2, 2, 2, 1, 1, 2, 1, 1, 16, 8, 8, 12, 4, 4, 12, 4, 4, 12, 6, 6, 6, 2, 2, 6, 2, 2, 12, 6, 6, 6, 2, 2, 6]

cp's OEIS Frontend

A291771 Filter based on runlengths of 0-digits in base-3 expansion of n: a(n) = A278222(A291770(n)).

Table of values

List of values

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

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

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