A089398 - cp's OEIS frontend

A089398 a(n) = n-th column sum of binary digits of k*2^(k-1), where summation is over k>=1, without carrying between columns.

n	a(n)
1	1
2	0
3	2
4	1
5	1
6	1
7	3
8	2
9	2
10	0
11	3
12	2
13	2
14	2
15	4
16	3
17	3
18	1
19	2
20	2
21	2
22	2
23	4
24	3
25	3
26	1
27	4
28	3
29	3
30	3
31	5
32	4
33	4
34	2
35	3
36	1
37	2
38	2
39	4
40	3
41	3
42	1
43	4
44	3
45	3
46	3
47	5
48	4
49	4
50	2
51	3
52	3
53	3
54	3
55	5
56	4
57	4
58	2
59	5
60	4
61	4
62	4
63	6
64	5
65	5
66	3
67	4
68	2
69	1
70	2
71	4
72	3
73	3
74	1
75	4
76	3
77	3
78	3
79	5
80	4
81	4
82	2
83	3
84	3
85	3
86	3
87	5
88	4
89	4
90	2
91	5
92	4
93	4
94	4
95	6
96	5
97	5
98	3
99	4
100	2
101	3
102	3
103	5
104	4
105	4

[1, 0, 2, 1, 1, 1, 3, 2, 2, 0, 3, 2, 2, 2, 4, 3, 3, 1, 2, 2, 2, 2, 4, 3, 3, 1, 4, 3, 3, 3, 5, 4, 4, 2, 3, 1, 2, 2, 4, 3, 3, 1, 4, 3, 3, 3, 5, 4, 4, 2, 3, 3, 3, 3, 5, 4, 4, 2, 5, 4, 4, 4, 6, 5, 5, 3, 4, 2, 1, 2, 4, 3, 3, 1, 4, 3, 3, 3, 5, 4, 4, 2, 3, 3, 3, 3, 5, 4, 4, 2, 5, 4, 4, 4, 6, 5, 5, 3, 4, 2, 3, 3, 5, 4, 4]

cp's OEIS Frontend

A089398 a(n) = n-th column sum of binary digits of k*2^(k-1), where summation is over k>=1, without carrying between columns.

Table of values

List of values

n	a(n)
1	1
2	0
3	2
4	1
5	1
6	1
7	3
8	2
9	2
10	0
11	3
12	2
13	2
14	2
15	4
16	3
17	3
18	1
19	2
20	2
21	2
22	2
23	4
24	3
25	3
26	1
27	4
28	3
29	3
30	3
31	5
32	4
33	4
34	2
35	3
36	1
37	2
38	2
39	4
40	3
41	3
42	1
43	4
44	3
45	3
46	3
47	5
48	4
49	4
50	2
51	3
52	3
53	3
54	3
55	5
56	4
57	4
58	2
59	5
60	4
61	4
62	4
63	6
64	5
65	5
66	3
67	4
68	2
69	1
70	2
71	4
72	3
73	3
74	1
75	4
76	3
77	3
78	3
79	5
80	4
81	4
82	2
83	3
84	3
85	3
86	3
87	5
88	4
89	4
90	2
91	5
92	4
93	4
94	4
95	6
96	5
97	5
98	3
99	4
100	2
101	3
102	3
103	5
104	4
105	4

n	a(n)
1	1
2	0
3	2
4	1
5	1
6	1
7	3
8	2
9	2
10	0
11	3
12	2
13	2
14	2
15	4
16	3
17	3
18	1
19	2
20	2
21	2
22	2
23	4
24	3
25	3
26	1
27	4
28	3
29	3
30	3
31	5
32	4
33	4
34	2
35	3
36	1
37	2
38	2
39	4
40	3
41	3
42	1
43	4
44	3
45	3
46	3
47	5
48	4
49	4
50	2
51	3
52	3
53	3
54	3
55	5
56	4
57	4
58	2
59	5
60	4
61	4
62	4
63	6
64	5
65	5
66	3
67	4
68	2
69	1
70	2
71	4
72	3
73	3
74	1
75	4
76	3
77	3
78	3
79	5
80	4
81	4
82	2
83	3
84	3
85	3
86	3
87	5
88	4
89	4
90	2
91	5
92	4
93	4
94	4
95	6
96	5
97	5
98	3
99	4
100	2
101	3
102	3
103	5
104	4
105	4

n	a(n)
1	1
2	0
3	2
4	1
5	1
6	1
7	3
8	2
9	2
10	0
11	3
12	2
13	2
14	2
15	4
16	3
17	3
18	1
19	2
20	2
21	2
22	2
23	4
24	3
25	3
26	1
27	4
28	3
29	3
30	3
31	5
32	4
33	4
34	2
35	3
36	1
37	2
38	2
39	4
40	3
41	3
42	1
43	4
44	3
45	3
46	3
47	5
48	4
49	4
50	2
51	3
52	3
53	3
54	3
55	5
56	4
57	4
58	2
59	5
60	4
61	4
62	4
63	6
64	5
65	5
66	3
67	4
68	2
69	1
70	2
71	4
72	3
73	3
74	1
75	4
76	3
77	3
78	3
79	5
80	4
81	4
82	2
83	3
84	3
85	3
86	3
87	5
88	4
89	4
90	2
91	5
92	4
93	4
94	4
95	6
96	5
97	5
98	3
99	4
100	2
101	3
102	3
103	5
104	4
105	4