A245547 - cp's OEIS frontend

A245547 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)(k-r+1)/2, 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)(k-r+1)*a(j).

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

[1, 1, 3, 1, 2, 3, 6, 1, 2, 2, 6, 3, 6, 6, 10, 1, 2, 2, 6, 2, 4, 6, 12, 3, 6, 6, 18, 6, 12, 10, 15, 1, 2, 2, 6, 2, 4, 6, 12, 2, 4, 4, 12, 6, 12, 12, 20, 3, 6, 6, 18, 6, 12, 18, 36, 6, 12, 12, 36, 10, 20, 15, 21, 1, 2, 2, 6, 2, 4, 6, 12, 2, 4, 4, 12, 6, 12, 12, 20, 2, 4, 4, 12, 4, 8, 12, 24, 6]

cp's OEIS Frontend

A245547 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)(k-r+1)/2, 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)(k-r+1)*a(j).

Table of values

List of values

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

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

cp's OEIS Frontend

A245547 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)*(k-r+1)/2, 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)*(k-r+1)*a(j).

Table of values

List of values

A245547 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)(k-r+1)/2, 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)(k-r+1)*a(j).

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