A283166 - cp's OEIS frontend

A283166 a(0) = 0; a(1) = 1; a(2n) = sigma(a(n)), a(2n+1) = sigma(a(n)) + sigma(a(n+1)).

n	a(n)
0	0
1	1
2	1
3	2
4	1
5	4
6	3
7	4
8	1
9	8
10	7
11	11
12	4
13	11
14	7
15	8
16	1
17	16
18	15
19	23
20	8
21	20
22	12
23	19
24	7
25	19
26	12
27	20
28	8
29	23
30	15
31	16
32	1
33	32
34	31
35	55
36	24
37	48
38	24
39	39
40	15
41	57
42	42
43	70
44	28
45	48
46	20
47	28
48	8
49	28
50	20
51	48
52	28
53	70
54	42
55	57
56	15
57	39
58	24
59	48
60	24
61	55
62	31
63	32
64	1
65	64
66	63
67	95
68	32
69	104
70	72
71	132
72	60
73	184
74	124
75	184
76	60
77	116
78	56
79	80
80	24
81	104
82	80
83	176
84	96
85	240
86	144
87	200
88	56
89	180
90	124

[0, 1, 1, 2, 1, 4, 3, 4, 1, 8, 7, 11, 4, 11, 7, 8, 1, 16, 15, 23, 8, 20, 12, 19, 7, 19, 12, 20, 8, 23, 15, 16, 1, 32, 31, 55, 24, 48, 24, 39, 15, 57, 42, 70, 28, 48, 20, 28, 8, 28, 20, 48, 28, 70, 42, 57, 15, 39, 24, 48, 24, 55, 31, 32, 1, 64, 63, 95, 32, 104, 72, 132, 60, 184, 124, 184, 60, 116, 56, 80, 24, 104, 80, 176, 96, 240, 144, 200, 56, 180, 124]

cp's OEIS Frontend

A283166 a(0) = 0; a(1) = 1; a(2n) = sigma(a(n)), a(2n+1) = sigma(a(n)) + sigma(a(n+1)).

Table of values

List of values

n	a(n)
0	0
1	1
2	1
3	2
4	1
5	4
6	3
7	4
8	1
9	8
10	7
11	11
12	4
13	11
14	7
15	8
16	1
17	16
18	15
19	23
20	8
21	20
22	12
23	19
24	7
25	19
26	12
27	20
28	8
29	23
30	15
31	16
32	1
33	32
34	31
35	55
36	24
37	48
38	24
39	39
40	15
41	57
42	42
43	70
44	28
45	48
46	20
47	28
48	8
49	28
50	20
51	48
52	28
53	70
54	42
55	57
56	15
57	39
58	24
59	48
60	24
61	55
62	31
63	32
64	1
65	64
66	63
67	95
68	32
69	104
70	72
71	132
72	60
73	184
74	124
75	184
76	60
77	116
78	56
79	80
80	24
81	104
82	80
83	176
84	96
85	240
86	144
87	200
88	56
89	180
90	124

n	a(n)
0	0
1	1
2	1
3	2
4	1
5	4
6	3
7	4
8	1
9	8
10	7
11	11
12	4
13	11
14	7
15	8
16	1
17	16
18	15
19	23
20	8
21	20
22	12
23	19
24	7
25	19
26	12
27	20
28	8
29	23
30	15
31	16
32	1
33	32
34	31
35	55
36	24
37	48
38	24
39	39
40	15
41	57
42	42
43	70
44	28
45	48
46	20
47	28
48	8
49	28
50	20
51	48
52	28
53	70
54	42
55	57
56	15
57	39
58	24
59	48
60	24
61	55
62	31
63	32
64	1
65	64
66	63
67	95
68	32
69	104
70	72
71	132
72	60
73	184
74	124
75	184
76	60
77	116
78	56
79	80
80	24
81	104
82	80
83	176
84	96
85	240
86	144
87	200
88	56
89	180
90	124

cp's OEIS Frontend

A283166 a(0) = 0; a(1) = 1; a(2*n) = sigma(a(n)), a(2*n+1) = sigma(a(n)) + sigma(a(n+1)).

Table of values

List of values

A283166 a(0) = 0; a(1) = 1; a(2n) = sigma(a(n)), a(2n+1) = sigma(a(n)) + sigma(a(n+1)).

n	a(n)
0	0
1	1
2	1
3	2
4	1
5	4
6	3
7	4
8	1
9	8
10	7
11	11
12	4
13	11
14	7
15	8
16	1
17	16
18	15
19	23
20	8
21	20
22	12
23	19
24	7
25	19
26	12
27	20
28	8
29	23
30	15
31	16
32	1
33	32
34	31
35	55
36	24
37	48
38	24
39	39
40	15
41	57
42	42
43	70
44	28
45	48
46	20
47	28
48	8
49	28
50	20
51	48
52	28
53	70
54	42
55	57
56	15
57	39
58	24
59	48
60	24
61	55
62	31
63	32
64	1
65	64
66	63
67	95
68	32
69	104
70	72
71	132
72	60
73	184
74	124
75	184
76	60
77	116
78	56
79	80
80	24
81	104
82	80
83	176
84	96
85	240
86	144
87	200
88	56
89	180
90	124