A232779 - cp's OEIS frontend

A232779 Sum of iterated logs; a(n) = 0 if n = 0; otherwise n + a(floor(log_2(n))).

n	a(n)
0	0
1	1
2	3
3	4
4	7
5	8
6	9
7	10
8	12
9	13
10	14
11	15
12	16
13	17
14	18
15	19
16	23
17	24
18	25
19	26
20	27
21	28
22	29
23	30
24	31
25	32
26	33
27	34
28	35
29	36
30	37
31	38
32	40
33	41
34	42
35	43
36	44
37	45
38	46
39	47
40	48
41	49
42	50
43	51
44	52
45	53
46	54
47	55
48	56
49	57
50	58
51	59
52	60
53	61
54	62
55	63
56	64
57	65
58	66
59	67
60	68

[0, 1, 3, 4, 7, 8, 9, 10, 12, 13, 14, 15, 16, 17, 18, 19, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68]

cp's OEIS Frontend

A232779 Sum of iterated logs; a(n) = 0 if n = 0; otherwise n + a(floor(log_2(n))).

Table of values

List of values

n	a(n)
0	0
1	1
2	3
3	4
4	7
5	8
6	9
7	10
8	12
9	13
10	14
11	15
12	16
13	17
14	18
15	19
16	23
17	24
18	25
19	26
20	27
21	28
22	29
23	30
24	31
25	32
26	33
27	34
28	35
29	36
30	37
31	38
32	40
33	41
34	42
35	43
36	44
37	45
38	46
39	47
40	48
41	49
42	50
43	51
44	52
45	53
46	54
47	55
48	56
49	57
50	58
51	59
52	60
53	61
54	62
55	63
56	64
57	65
58	66
59	67
60	68

n	a(n)
0	0
1	1
2	3
3	4
4	7
5	8
6	9
7	10
8	12
9	13
10	14
11	15
12	16
13	17
14	18
15	19
16	23
17	24
18	25
19	26
20	27
21	28
22	29
23	30
24	31
25	32
26	33
27	34
28	35
29	36
30	37
31	38
32	40
33	41
34	42
35	43
36	44
37	45
38	46
39	47
40	48
41	49
42	50
43	51
44	52
45	53
46	54
47	55
48	56
49	57
50	58
51	59
52	60
53	61
54	62
55	63
56	64
57	65
58	66
59	67
60	68

n	a(n)
0	0
1	1
2	3
3	4
4	7
5	8
6	9
7	10
8	12
9	13
10	14
11	15
12	16
13	17
14	18
15	19
16	23
17	24
18	25
19	26
20	27
21	28
22	29
23	30
24	31
25	32
26	33
27	34
28	35
29	36
30	37
31	38
32	40
33	41
34	42
35	43
36	44
37	45
38	46
39	47
40	48
41	49
42	50
43	51
44	52
45	53
46	54
47	55
48	56
49	57
50	58
51	59
52	60
53	61
54	62
55	63
56	64
57	65
58	66
59	67
60	68