A109636 - cp's OEIS frontend

A109636 Let T(n,k) be the n-th k-almost prime. Then a(n) = T(n,k) such that k is minimal and for all m>0, T(n,k+m) >= 2^m * T(n,k).

n	a(n)
1	2
2	3
3	9
4	10
5	27
6	28
7	30
8	81
9	84
10	88
11	90
12	100
13	104
14	243
15	252
16	264
17	270
18	272
19	280
20	300
21	304
22	312
23	729
24	736
25	756
26	784
27	792
28	810
29	816
30	840
31	880
32	900
33	912
34	928
35	936
36	992
37	1000
38	1040
39	2187
40	2208
41	2268
42	2352
43	2368
44	2376
45	2430
46	2448
47	2464
48	2520
49	2624

[2, 3, 9, 10, 27, 28, 30, 81, 84, 88, 90, 100, 104, 243, 252, 264, 270, 272, 280, 300, 304, 312, 729, 736, 756, 784, 792, 810, 816, 840, 880, 900, 912, 928, 936, 992, 1000, 1040, 2187, 2208, 2268, 2352, 2368, 2376, 2430, 2448, 2464, 2520, 2624]

cp's OEIS Frontend

A109636 Let T(n,k) be the n-th k-almost prime. Then a(n) = T(n,k) such that k is minimal and for all m>0, T(n,k+m) >= 2^m * T(n,k).

Table of values

List of values