A260738 - cp's OEIS frontend

A260738 Row index to A255127: a(1) = 0; for n > 1, a(n) = number of the stage where n is removed in the sieve which produces Ludic numbers.

n	a(n)
1	0
2	1
3	2
4	1
5	3
6	1
7	4
8	1
9	2
10	1
11	5
12	1
13	6
14	1
15	2
16	1
17	7
18	1
19	3
20	1
21	2
22	1
23	8
24	1
25	9
26	1
27	2
28	1
29	10
30	1
31	4
32	1
33	2
34	1
35	3
36	1
37	11
38	1
39	2
40	1
41	12
42	1
43	13
44	1
45	2
46	1
47	14
48	1
49	3
50	1
51	2
52	1
53	15
54	1
55	5
56	1
57	2
58	1
59	4
60	1
61	16
62	1
63	2
64	1
65	3
66	1
67	17
68	1
69	2
70	1
71	18
72	1
73	6
74	1
75	2
76	1
77	19
78	1
79	3
80	1
81	2
82	1
83	20
84	1
85	4
86	1
87	2
88	1
89	21
90	1
91	22
92	1
93	2
94	1
95	3
96	1
97	23
98	1
99	2
100	1
101	7
102	1
103	5
104	1
105	2
106	1
107	24
108	1
109	3
110	1
111	2
112	1
113	4
114	1
115	25
116	1
117	2
118	1
119	26
120	1

[0, 1, 2, 1, 3, 1, 4, 1, 2, 1, 5, 1, 6, 1, 2, 1, 7, 1, 3, 1, 2, 1, 8, 1, 9, 1, 2, 1, 10, 1, 4, 1, 2, 1, 3, 1, 11, 1, 2, 1, 12, 1, 13, 1, 2, 1, 14, 1, 3, 1, 2, 1, 15, 1, 5, 1, 2, 1, 4, 1, 16, 1, 2, 1, 3, 1, 17, 1, 2, 1, 18, 1, 6, 1, 2, 1, 19, 1, 3, 1, 2, 1, 20, 1, 4, 1, 2, 1, 21, 1, 22, 1, 2, 1, 3, 1, 23, 1, 2, 1, 7, 1, 5, 1, 2, 1, 24, 1, 3, 1, 2, 1, 4, 1, 25, 1, 2, 1, 26, 1]

cp's OEIS Frontend

A260738 Row index to A255127: a(1) = 0; for n > 1, a(n) = number of the stage where n is removed in the sieve which produces Ludic numbers.

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	1
5	3
6	1
7	4
8	1
9	2
10	1
11	5
12	1
13	6
14	1
15	2
16	1
17	7
18	1
19	3
20	1
21	2
22	1
23	8
24	1
25	9
26	1
27	2
28	1
29	10
30	1
31	4
32	1
33	2
34	1
35	3
36	1
37	11
38	1
39	2
40	1
41	12
42	1
43	13
44	1
45	2
46	1
47	14
48	1
49	3
50	1
51	2
52	1
53	15
54	1
55	5
56	1
57	2
58	1
59	4
60	1
61	16
62	1
63	2
64	1
65	3
66	1
67	17
68	1
69	2
70	1
71	18
72	1
73	6
74	1
75	2
76	1
77	19
78	1
79	3
80	1
81	2
82	1
83	20
84	1
85	4
86	1
87	2
88	1
89	21
90	1
91	22
92	1
93	2
94	1
95	3
96	1
97	23
98	1
99	2
100	1
101	7
102	1
103	5
104	1
105	2
106	1
107	24
108	1
109	3
110	1
111	2
112	1
113	4
114	1
115	25
116	1
117	2
118	1
119	26
120	1

n	a(n)
1	0
2	1
3	2
4	1
5	3
6	1
7	4
8	1
9	2
10	1
11	5
12	1
13	6
14	1
15	2
16	1
17	7
18	1
19	3
20	1
21	2
22	1
23	8
24	1
25	9
26	1
27	2
28	1
29	10
30	1
31	4
32	1
33	2
34	1
35	3
36	1
37	11
38	1
39	2
40	1
41	12
42	1
43	13
44	1
45	2
46	1
47	14
48	1
49	3
50	1
51	2
52	1
53	15
54	1
55	5
56	1
57	2
58	1
59	4
60	1
61	16
62	1
63	2
64	1
65	3
66	1
67	17
68	1
69	2
70	1
71	18
72	1
73	6
74	1
75	2
76	1
77	19
78	1
79	3
80	1
81	2
82	1
83	20
84	1
85	4
86	1
87	2
88	1
89	21
90	1
91	22
92	1
93	2
94	1
95	3
96	1
97	23
98	1
99	2
100	1
101	7
102	1
103	5
104	1
105	2
106	1
107	24
108	1
109	3
110	1
111	2
112	1
113	4
114	1
115	25
116	1
117	2
118	1
119	26
120	1

n	a(n)
1	0
2	1
3	2
4	1
5	3
6	1
7	4
8	1
9	2
10	1
11	5
12	1
13	6
14	1
15	2
16	1
17	7
18	1
19	3
20	1
21	2
22	1
23	8
24	1
25	9
26	1
27	2
28	1
29	10
30	1
31	4
32	1
33	2
34	1
35	3
36	1
37	11
38	1
39	2
40	1
41	12
42	1
43	13
44	1
45	2
46	1
47	14
48	1
49	3
50	1
51	2
52	1
53	15
54	1
55	5
56	1
57	2
58	1
59	4
60	1
61	16
62	1
63	2
64	1
65	3
66	1
67	17
68	1
69	2
70	1
71	18
72	1
73	6
74	1
75	2
76	1
77	19
78	1
79	3
80	1
81	2
82	1
83	20
84	1
85	4
86	1
87	2
88	1
89	21
90	1
91	22
92	1
93	2
94	1
95	3
96	1
97	23
98	1
99	2
100	1
101	7
102	1
103	5
104	1
105	2
106	1
107	24
108	1
109	3
110	1
111	2
112	1
113	4
114	1
115	25
116	1
117	2
118	1
119	26
120	1