A023193 - cp's OEIS frontend

A023193 a(n) gives the largest number k for which there is at least one admissible k-tuple taken from [0, 1, ..., n-1] if the tuple starts with 0. Admissibility is defined in a comment.

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

[1, 1, 2, 2, 2, 2, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 9, 9, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 13, 13, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, 19, 19, 19, 19, 20, 20]

cp's OEIS Frontend

A023193 a(n) gives the largest number k for which there is at least one admissible k-tuple taken from [0, 1, ..., n-1] if the tuple starts with 0. Admissibility is defined in a comment.

Table of values

List of values

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

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

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