A368423 - cp's OEIS frontend

A368423 The least number of applications of functions in the Wainer hierarchy to reach n, starting from 0.

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

[0, 1, 2, 3, 3, 4, 4, 5, 3, 4, 5, 6, 5, 6, 6, 7, 4, 5, 5, 6, 6, 7, 7, 8, 4, 5, 6, 7, 7, 8, 8, 9, 5, 6, 6, 7, 6, 7, 7, 8, 7, 8, 8, 9, 8, 9, 9, 10, 5, 6, 6, 7, 7, 8, 8, 9, 8, 9, 9, 10, 9, 10, 10, 11, 4, 5, 6, 7, 7, 8, 8, 9, 7, 8, 8, 9, 8, 9, 9, 10, 8, 9, 9, 10, 9, 10, 10, 11, 9, 10, 10, 11, 10, 11, 11, 12, 6, 7, 7, 8, 7]

cp's OEIS Frontend

A368423 The least number of applications of functions in the Wainer hierarchy to reach n, starting from 0.

Table of values

List of values

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

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

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