A120041 - cp's OEIS frontend

A120041 Number of 10-almost primes k such that 2^n < k <= 2^(n+1).

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	1
10	1
11	5
12	8
13	22
14	47
15	103
16	233
17	487
18	1072
19	2246
20	4803
21	10202
22	21440
23	45115
24	94434
25	197891
26	412010
27	858846
28	1783610
29	3700698
30	7665755
31	15853990
32	32750248
33	67564405
34	139238488
35	286625278
36	589472979
37	1211146741
38	2486322304

[0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 5, 8, 22, 47, 103, 233, 487, 1072, 2246, 4803, 10202, 21440, 45115, 94434, 197891, 412010, 858846, 1783610, 3700698, 7665755, 15853990, 32750248, 67564405, 139238488, 286625278, 589472979, 1211146741, 2486322304]

cp's OEIS Frontend

A120041 Number of 10-almost primes k such that 2^n < k <= 2^(n+1).

Table of values

List of values