A245536 - cp's OEIS frontend

A245536 Write n>=1 as either n=2^k-2^r with 0 <= r <= k-1, in which case a(2^k-2^r)=k-r-1, or as n=2^k-2^r+j with 2 <= r <= k-1, 1 <= j < 2^r-1, in which case a(2^k-2^r+j)=(k-r-1)*a(j).

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

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

cp's OEIS Frontend

A245536 Write n>=1 as either n=2^k-2^r with 0 <= r <= k-1, in which case a(2^k-2^r)=k-r-1, or as n=2^k-2^r+j with 2 <= r <= k-1, 1 <= j < 2^r-1, in which case a(2^k-2^r+j)=(k-r-1)*a(j).

Table of values

List of values

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

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

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