A057061 - cp's OEIS frontend

A057061 a(n) = number of the column of (R(i,j)) that contains prime(n), where R(i,j) is the rectangle with antidiagonals 1; 2,3; 4,5,6; ...

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

[2, 1, 2, 4, 5, 3, 5, 3, 6, 8, 6, 9, 5, 3, 9, 3, 8, 6, 12, 8, 6, 13, 9, 3, 9, 5, 3, 14, 12, 8, 10, 6, 17, 15, 5, 3, 15, 9, 5, 18, 12, 10, 20, 18, 14, 12, 21, 9, 5, 3, 21, 15, 13, 3, 20, 14, 8, 6, 24, 20, 18, 8, 19, 15, 13, 9, 21, 15, 5, 3, 26, 20, 12, 6]

cp's OEIS Frontend

A057061 a(n) = number of the column of (R(i,j)) that contains prime(n), where R(i,j) is the rectangle with antidiagonals 1; 2,3; 4,5,6; ...

Table of values

List of values

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

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

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