A057060 - cp's OEIS frontend

A057060 a(n) = number of the row of (R(i,j)) that contains prime(n), where R(i,j) is the rectangle with descending antidiagonals 1; 2,3; 4,5,6; ...

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

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

cp's OEIS Frontend

A057060 a(n) = number of the row of (R(i,j)) that contains prime(n), where R(i,j) is the rectangle with descending antidiagonals 1; 2,3; 4,5,6; ...

Table of values

List of values

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

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

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