A078677 - cp's OEIS frontend

A078677 Write n in binary; repeatedly sum the "digits" until reaching 1; a(n) = sum of these sums (including '1' and n itself).

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

[1, 3, 6, 5, 8, 9, 13, 9, 12, 13, 17, 15, 19, 20, 20, 17, 20, 21, 25, 23, 27, 28, 28, 27, 31, 32, 32, 34, 34, 35, 39, 33, 36, 37, 41, 39, 43, 44, 44, 43, 47, 48, 48, 50, 50, 51, 55, 51, 55, 56, 56, 58, 58, 59, 63, 62, 62, 63, 67, 65, 69, 70, 72, 65, 68, 69, 73, 71, 75, 76, 76, 75]

cp's OEIS Frontend

A078677 Write n in binary; repeatedly sum the "digits" until reaching 1; a(n) = sum of these sums (including '1' and n itself).

Table of values

List of values

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

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

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