A103528 - cp's OEIS frontend

A103528 a(n) = Sum_{k = 1..n-1 such that n == k (mod 2^k)} 2^(k-1).

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	2
7	1
8	0
9	1
10	2
11	5
12	0
13	1
14	2
15	1
16	0
17	1
18	2
19	5
20	8
21	1
22	2
23	1
24	0
25	1
26	2
27	5
28	0
29	1
30	2
31	1
32	0
33	1
34	2
35	5
36	8
37	17
38	2
39	1
40	0
41	1
42	2
43	5
44	0
45	1
46	2
47	1
48	0
49	1
50	2
51	5
52	8
53	1
54	2
55	1
56	0
57	1
58	2
59	5
60	0
61	1
62	2
63	1
64	0
65	1
66	2
67	5
68	8
69	17
70	34
71	1
72	0
73	1
74	2
75	5
76	0
77	1
78	2
79	1
80	0
81	1
82	2
83	5
84	8
85	1
86	2
87	1
88	0
89	1
90	2
91	5
92	0
93	1
94	2
95	1
96	0
97	1
98	2
99	5
100	8

[0, 0, 1, 0, 1, 2, 1, 0, 1, 2, 5, 0, 1, 2, 1, 0, 1, 2, 5, 8, 1, 2, 1, 0, 1, 2, 5, 0, 1, 2, 1, 0, 1, 2, 5, 8, 17, 2, 1, 0, 1, 2, 5, 0, 1, 2, 1, 0, 1, 2, 5, 8, 1, 2, 1, 0, 1, 2, 5, 0, 1, 2, 1, 0, 1, 2, 5, 8, 17, 34, 1, 0, 1, 2, 5, 0, 1, 2, 1, 0, 1, 2, 5, 8, 1, 2, 1, 0, 1, 2, 5, 0, 1, 2, 1, 0, 1, 2, 5, 8]

cp's OEIS Frontend

A103528 a(n) = Sum_{k = 1..n-1 such that n == k (mod 2^k)} 2^(k-1).

Table of values

List of values

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	2
7	1
8	0
9	1
10	2
11	5
12	0
13	1
14	2
15	1
16	0
17	1
18	2
19	5
20	8
21	1
22	2
23	1
24	0
25	1
26	2
27	5
28	0
29	1
30	2
31	1
32	0
33	1
34	2
35	5
36	8
37	17
38	2
39	1
40	0
41	1
42	2
43	5
44	0
45	1
46	2
47	1
48	0
49	1
50	2
51	5
52	8
53	1
54	2
55	1
56	0
57	1
58	2
59	5
60	0
61	1
62	2
63	1
64	0
65	1
66	2
67	5
68	8
69	17
70	34
71	1
72	0
73	1
74	2
75	5
76	0
77	1
78	2
79	1
80	0
81	1
82	2
83	5
84	8
85	1
86	2
87	1
88	0
89	1
90	2
91	5
92	0
93	1
94	2
95	1
96	0
97	1
98	2
99	5
100	8

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	2
7	1
8	0
9	1
10	2
11	5
12	0
13	1
14	2
15	1
16	0
17	1
18	2
19	5
20	8
21	1
22	2
23	1
24	0
25	1
26	2
27	5
28	0
29	1
30	2
31	1
32	0
33	1
34	2
35	5
36	8
37	17
38	2
39	1
40	0
41	1
42	2
43	5
44	0
45	1
46	2
47	1
48	0
49	1
50	2
51	5
52	8
53	1
54	2
55	1
56	0
57	1
58	2
59	5
60	0
61	1
62	2
63	1
64	0
65	1
66	2
67	5
68	8
69	17
70	34
71	1
72	0
73	1
74	2
75	5
76	0
77	1
78	2
79	1
80	0
81	1
82	2
83	5
84	8
85	1
86	2
87	1
88	0
89	1
90	2
91	5
92	0
93	1
94	2
95	1
96	0
97	1
98	2
99	5
100	8

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	2
7	1
8	0
9	1
10	2
11	5
12	0
13	1
14	2
15	1
16	0
17	1
18	2
19	5
20	8
21	1
22	2
23	1
24	0
25	1
26	2
27	5
28	0
29	1
30	2
31	1
32	0
33	1
34	2
35	5
36	8
37	17
38	2
39	1
40	0
41	1
42	2
43	5
44	0
45	1
46	2
47	1
48	0
49	1
50	2
51	5
52	8
53	1
54	2
55	1
56	0
57	1
58	2
59	5
60	0
61	1
62	2
63	1
64	0
65	1
66	2
67	5
68	8
69	17
70	34
71	1
72	0
73	1
74	2
75	5
76	0
77	1
78	2
79	1
80	0
81	1
82	2
83	5
84	8
85	1
86	2
87	1
88	0
89	1
90	2
91	5
92	0
93	1
94	2
95	1
96	0
97	1
98	2
99	5
100	8