A325027 - cp's OEIS frontend

A325027 Triangle read by rows: T(n,k), 0 <= k < n, is the least m minimizing the number of intervals [a,a+1) or [ma,m(a+1)) that must be XORed together to form the interval [k,n).

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

[1, 2, 1, 3, 1, 1, 4, 2, 2, 1, 5, 5, 2, 1, 1, 6, 6, 2, 3, 2, 1, 7, 7, 2, 3, 2, 1, 1, 8, 8, 2, 4, 4, 2, 2, 1, 9, 9, 3, 3, 4, 3, 3, 1, 1, 10, 10, 10, 3, 5, 5, 2, 2, 2, 1, 11, 11, 11, 3, 4, 5, 6, 2, 2, 1, 1, 12, 12, 12, 3, 4, 6, 6, 4, 4, 3, 2, 1, 13, 13, 13, 3, 4, 6, 6, 7, 4, 3, 2, 1, 1]

cp's OEIS Frontend

A325027 Triangle read by rows: T(n,k), 0 <= k < n, is the least m minimizing the number of intervals [a,a+1) or [ma,m(a+1)) that must be XORed together to form the interval [k,n).

Table of values

List of values

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

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

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