A139327 - cp's OEIS frontend

A139327 Write the first n^2 odd numbers consecutively in n rows of length n: a(n) = maximal number of primes in a row.

n	a(n)
1	0
2	2
3	2
4	3
5	4
6	4
7	5
8	5
9	6
10	7
11	7
12	8
13	8
14	8
15	9
16	10
17	10
18	10
19	11
20	11
21	12
22	13
23	13
24	14
25	14
26	14
27	15
28	15
29	15
30	16
31	17
32	17
33	17
34	18
35	18
36	19
37	20
38	20
39	20
40	21
41	21
42	22
43	22
44	22
45	23
46	23
47	23
48	23
49	24
50	24
51	25
52	26
53	26
54	27
55	28
56	28
57	29
58	29
59	29
60	29
61	29
62	29
63	29
64	30
65	30
66	31
67	31
68	31
69	32
70	33
71	33
72	33
73	33
74	33

[0, 2, 2, 3, 4, 4, 5, 5, 6, 7, 7, 8, 8, 8, 9, 10, 10, 10, 11, 11, 12, 13, 13, 14, 14, 14, 15, 15, 15, 16, 17, 17, 17, 18, 18, 19, 20, 20, 20, 21, 21, 22, 22, 22, 23, 23, 23, 23, 24, 24, 25, 26, 26, 27, 28, 28, 29, 29, 29, 29, 29, 29, 29, 30, 30, 31, 31, 31, 32, 33, 33, 33, 33, 33]

cp's OEIS Frontend

A139327 Write the first n^2 odd numbers consecutively in n rows of length n: a(n) = maximal number of primes in a row.

Table of values

List of values

n	a(n)
1	0
2	2
3	2
4	3
5	4
6	4
7	5
8	5
9	6
10	7
11	7
12	8
13	8
14	8
15	9
16	10
17	10
18	10
19	11
20	11
21	12
22	13
23	13
24	14
25	14
26	14
27	15
28	15
29	15
30	16
31	17
32	17
33	17
34	18
35	18
36	19
37	20
38	20
39	20
40	21
41	21
42	22
43	22
44	22
45	23
46	23
47	23
48	23
49	24
50	24
51	25
52	26
53	26
54	27
55	28
56	28
57	29
58	29
59	29
60	29
61	29
62	29
63	29
64	30
65	30
66	31
67	31
68	31
69	32
70	33
71	33
72	33
73	33
74	33

n	a(n)
1	0
2	2
3	2
4	3
5	4
6	4
7	5
8	5
9	6
10	7
11	7
12	8
13	8
14	8
15	9
16	10
17	10
18	10
19	11
20	11
21	12
22	13
23	13
24	14
25	14
26	14
27	15
28	15
29	15
30	16
31	17
32	17
33	17
34	18
35	18
36	19
37	20
38	20
39	20
40	21
41	21
42	22
43	22
44	22
45	23
46	23
47	23
48	23
49	24
50	24
51	25
52	26
53	26
54	27
55	28
56	28
57	29
58	29
59	29
60	29
61	29
62	29
63	29
64	30
65	30
66	31
67	31
68	31
69	32
70	33
71	33
72	33
73	33
74	33

n	a(n)
1	0
2	2
3	2
4	3
5	4
6	4
7	5
8	5
9	6
10	7
11	7
12	8
13	8
14	8
15	9
16	10
17	10
18	10
19	11
20	11
21	12
22	13
23	13
24	14
25	14
26	14
27	15
28	15
29	15
30	16
31	17
32	17
33	17
34	18
35	18
36	19
37	20
38	20
39	20
40	21
41	21
42	22
43	22
44	22
45	23
46	23
47	23
48	23
49	24
50	24
51	25
52	26
53	26
54	27
55	28
56	28
57	29
58	29
59	29
60	29
61	29
62	29
63	29
64	30
65	30
66	31
67	31
68	31
69	32
70	33
71	33
72	33
73	33
74	33