A283764 - cp's OEIS frontend

A283764 a(0) = 0; a(1) = 1; a(2n) = sigma(a(n)), a(2n+1) = sigma(a(n)+a(n+1)).

n	a(n)
0	0
1	1
2	1
3	3
4	1
5	7
6	4
7	7
8	1
9	15
10	8
11	12
12	7
13	12
14	8
15	15
16	1
17	31
18	24
19	24
20	15
21	42
22	28
23	20
24	8
25	20
26	28
27	42
28	15
29	24
30	24
31	31
32	1
33	63
34	32
35	72
36	60
37	124
38	60
39	56
40	24
41	80
42	96
43	144
44	56
45	124
46	42
47	56
48	15
49	56
50	42
51	124
52	56
53	144
54	96
55	80
56	24
57	56
58	60
59	124
60	60
61	72
62	32
63	63
64	1
65	127
66	104
67	120
68	63
69	210
70	195
71	336
72	168
73	360
74	224
75	360
76	168
77	210
78	120
79	186
80	60
81	210
82	186
83	372
84	252
85	744
86	403
87	465
88	120
89	546

[0, 1, 1, 3, 1, 7, 4, 7, 1, 15, 8, 12, 7, 12, 8, 15, 1, 31, 24, 24, 15, 42, 28, 20, 8, 20, 28, 42, 15, 24, 24, 31, 1, 63, 32, 72, 60, 124, 60, 56, 24, 80, 96, 144, 56, 124, 42, 56, 15, 56, 42, 124, 56, 144, 96, 80, 24, 56, 60, 124, 60, 72, 32, 63, 1, 127, 104, 120, 63, 210, 195, 336, 168, 360, 224, 360, 168, 210, 120, 186, 60, 210, 186, 372, 252, 744, 403, 465, 120, 546]

cp's OEIS Frontend

A283764 a(0) = 0; a(1) = 1; a(2n) = sigma(a(n)), a(2n+1) = sigma(a(n)+a(n+1)).

Table of values

List of values

n	a(n)
0	0
1	1
2	1
3	3
4	1
5	7
6	4
7	7
8	1
9	15
10	8
11	12
12	7
13	12
14	8
15	15
16	1
17	31
18	24
19	24
20	15
21	42
22	28
23	20
24	8
25	20
26	28
27	42
28	15
29	24
30	24
31	31
32	1
33	63
34	32
35	72
36	60
37	124
38	60
39	56
40	24
41	80
42	96
43	144
44	56
45	124
46	42
47	56
48	15
49	56
50	42
51	124
52	56
53	144
54	96
55	80
56	24
57	56
58	60
59	124
60	60
61	72
62	32
63	63
64	1
65	127
66	104
67	120
68	63
69	210
70	195
71	336
72	168
73	360
74	224
75	360
76	168
77	210
78	120
79	186
80	60
81	210
82	186
83	372
84	252
85	744
86	403
87	465
88	120
89	546

n	a(n)
0	0
1	1
2	1
3	3
4	1
5	7
6	4
7	7
8	1
9	15
10	8
11	12
12	7
13	12
14	8
15	15
16	1
17	31
18	24
19	24
20	15
21	42
22	28
23	20
24	8
25	20
26	28
27	42
28	15
29	24
30	24
31	31
32	1
33	63
34	32
35	72
36	60
37	124
38	60
39	56
40	24
41	80
42	96
43	144
44	56
45	124
46	42
47	56
48	15
49	56
50	42
51	124
52	56
53	144
54	96
55	80
56	24
57	56
58	60
59	124
60	60
61	72
62	32
63	63
64	1
65	127
66	104
67	120
68	63
69	210
70	195
71	336
72	168
73	360
74	224
75	360
76	168
77	210
78	120
79	186
80	60
81	210
82	186
83	372
84	252
85	744
86	403
87	465
88	120
89	546

cp's OEIS Frontend

A283764 a(0) = 0; a(1) = 1; a(2*n) = sigma(a(n)), a(2*n+1) = sigma(a(n)+a(n+1)).

Table of values

List of values

A283764 a(0) = 0; a(1) = 1; a(2n) = sigma(a(n)), a(2n+1) = sigma(a(n)+a(n+1)).

n	a(n)
0	0
1	1
2	1
3	3
4	1
5	7
6	4
7	7
8	1
9	15
10	8
11	12
12	7
13	12
14	8
15	15
16	1
17	31
18	24
19	24
20	15
21	42
22	28
23	20
24	8
25	20
26	28
27	42
28	15
29	24
30	24
31	31
32	1
33	63
34	32
35	72
36	60
37	124
38	60
39	56
40	24
41	80
42	96
43	144
44	56
45	124
46	42
47	56
48	15
49	56
50	42
51	124
52	56
53	144
54	96
55	80
56	24
57	56
58	60
59	124
60	60
61	72
62	32
63	63
64	1
65	127
66	104
67	120
68	63
69	210
70	195
71	336
72	168
73	360
74	224
75	360
76	168
77	210
78	120
79	186
80	60
81	210
82	186
83	372
84	252
85	744
86	403
87	465
88	120
89	546