A190414 - cp's OEIS frontend

A190414 primepi(R_m) <= iprimepi(R_j) for any factorization m=ij if j >= a(i), where R_k is the k-th Ramanujan prime (A104272).

n	a(n)
1	1
2	2490
3	567
4	756
5	425
6	510
7	70
8	80
9	90
10	100
11	110
12	120
13	130
14	140
15	150
16	160
17	170
18	180
19	190
20	40
21	42
22	44
23	46
24	48
25	50
26	52
27	54
28	56
29	58
30	60
31	62
32	64
33	66
34	68
35	70
36	72
37	74
38	76
39	78
40	80
41	82
42	84
43	86
44	88
45	90
46	92
47	94
48	96
49	98
50	100

[1, 2490, 567, 756, 425, 510, 70, 80, 90, 100, 110, 120, 130, 140, 150, 160, 170, 180, 190, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84, 86, 88, 90, 92, 94, 96, 98, 100]

cp's OEIS Frontend

A190414 primepi(R_m) <= iprimepi(R_j) for any factorization m=ij if j >= a(i), where R_k is the k-th Ramanujan prime (A104272).

Table of values

List of values

cp's OEIS Frontend

A190414 primepi(R_m) <= i*primepi(R_j) for any factorization m=i*j if j >= a(i), where R_k is the k-th Ramanujan prime (A104272).

Table of values

List of values

A190414 primepi(R_m) <= iprimepi(R_j) for any factorization m=ij if j >= a(i), where R_k is the k-th Ramanujan prime (A104272).