A126280 - cp's OEIS frontend

A126280 Triangle read by rows: T(k,n) is number of numbers <= 10^n that are products of k primes.

n	a(n)
1	4
2	4
3	1
4	25
5	34
6	22
7	12
8	4
9	2
10	168
11	299
12	247
13	149
14	76
15	37
16	14
17	7
18	2
19	1229
20	2625
21	2569
22	1712
23	963
24	485
25	231
26	105
27	47
28	22
29	7
30	3
31	1
32	9592
33	23378
34	25556
35	18744
36	11185
37	5933
38	2973
39	1418
40	671
41	306
42	138
43	63
44	25
45	11
46	4
47	2
48	78498
49	210035
50	250853
51	198062
52	124465
53	68963

[4, 4, 1, 25, 34, 22, 12, 4, 2, 168, 299, 247, 149, 76, 37, 14, 7, 2, 1229, 2625, 2569, 1712, 963, 485, 231, 105, 47, 22, 7, 3, 1, 9592, 23378, 25556, 18744, 11185, 5933, 2973, 1418, 671, 306, 138, 63, 25, 11, 4, 2, 78498, 210035, 250853, 198062, 124465, 68963]

cp's OEIS Frontend

A126280 Triangle read by rows: T(k,n) is number of numbers <= 10^n that are products of k primes.

Table of values

List of values