A260717 - cp's OEIS frontend

A260717 Square array: row n gives the numbers remaining before the stage n of Ludic sieve.

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

[2, 3, 3, 4, 5, 5, 5, 7, 7, 7, 6, 9, 11, 11, 11, 7, 11, 13, 13, 13, 13, 8, 13, 17, 17, 17, 17, 17, 9, 15, 19, 23, 23, 23, 23, 23, 10, 17, 23, 25, 25, 25, 25, 25, 25, 11, 19, 25, 29, 29, 29, 29, 29, 29, 29, 12, 21, 29, 31, 37, 37, 37, 37, 37, 37, 37, 13, 23, 31, 37, 41, 41, 41, 41, 41, 41, 41, 41, 14, 25, 35, 41, 43, 43, 43, 43, 43, 43, 43, 43, 43]

cp's OEIS Frontend

A260717 Square array: row n gives the numbers remaining before the stage n of Ludic sieve.

Table of values

List of values

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

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

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