A175186 - cp's OEIS frontend

A175186 a(1)=0. For 1<= n <= 2^m, m>=0, a(n+ 2^m) = a(n)+n.

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

[0, 1, 1, 3, 1, 3, 4, 7, 1, 3, 4, 7, 6, 9, 11, 15, 1, 3, 4, 7, 6, 9, 11, 15, 10, 13, 15, 19, 19, 23, 26, 31, 1, 3, 4, 7, 6, 9, 11, 15, 10, 13, 15, 19, 19, 23, 26, 31, 18, 21, 23, 27, 27, 31, 34, 39, 35, 39, 42, 47, 48, 53, 57, 63, 1, 3, 4, 7, 6, 9, 11, 15, 10, 13, 15, 19, 19, 23, 26, 31]

cp's OEIS Frontend

A175186 a(1)=0. For 1<= n <= 2^m, m>=0, a(n+ 2^m) = a(n)+n.

Table of values

List of values

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

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

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