A217871 - cp's OEIS frontend

A217871 a(n)=b(n,1) where b(0,m)=m, b(n,m)=b(floor(n/4),m*2).

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

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

cp's OEIS Frontend

A217871 a(n)=b(n,1) where b(0,m)=m, b(n,m)=b(floor(n/4),m*2).

Table of values

List of values

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

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

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