A283167 - cp's OEIS frontend

A283167 a(0) = 1; a(2n) = 2a(n), a(2*n+1) = sigma(a(n)).

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

[1, 1, 2, 1, 4, 3, 2, 1, 8, 7, 6, 4, 4, 3, 2, 1, 16, 15, 14, 8, 12, 12, 8, 7, 8, 7, 6, 4, 4, 3, 2, 1, 32, 31, 30, 24, 28, 24, 16, 15, 24, 28, 24, 28, 16, 15, 14, 8, 16, 15, 14, 8, 12, 12, 8, 7, 8, 7, 6, 4, 4, 3, 2, 1, 64, 63, 62, 32, 60, 72, 48, 60, 56, 56, 48, 60, 32, 31, 30, 24, 48, 60, 56, 56, 48, 60, 56, 56, 32, 31, 30]

cp's OEIS Frontend

A283167 a(0) = 1; a(2n) = 2a(n), a(2*n+1) = sigma(a(n)).

Table of values

List of values

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

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

cp's OEIS Frontend

A283167 a(0) = 1; a(2*n) = 2*a(n), a(2*n+1) = sigma(a(n)).

Table of values

List of values

A283167 a(0) = 1; a(2n) = 2a(n), a(2*n+1) = sigma(a(n)).

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