A073123 - cp's OEIS frontend

A073123 a(n) is the largest number such that pi(a(n)) = prime(n).

n	a(n)
1	4
2	6
3	12
4	18
5	36
6	42
7	60
8	70
9	88
10	112
11	130
12	162
13	180
14	192
15	222
16	250
17	280
18	292
19	336
20	358
21	372
22	408
23	432
24	462
25	520
26	556
27	568
28	592
29	600
30	618
31	718
32	742
33	786
34	808
35	862
36	880
37	928
38	970
39	996
40	1032
41	1068
42	1090
43	1162
44	1180
45	1212
46	1222
47	1300
48	1422
49	1438
50	1450
51	1480

[4, 6, 12, 18, 36, 42, 60, 70, 88, 112, 130, 162, 180, 192, 222, 250, 280, 292, 336, 358, 372, 408, 432, 462, 520, 556, 568, 592, 600, 618, 718, 742, 786, 808, 862, 880, 928, 970, 996, 1032, 1068, 1090, 1162, 1180, 1212, 1222, 1300, 1422, 1438, 1450, 1480]

cp's OEIS Frontend

A073123 a(n) is the largest number such that pi(a(n)) = prime(n).

Table of values

List of values