A281891 - cp's OEIS frontend

A281891 Square array A(n,k): number of integers having k or more factors less than prime(n+1) in their prime factorization, within any interval of primorial(n)^k positive integers.

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	0
7	1
8	4
9	1
10	0
11	1
12	14
13	22
14	1
15	0
16	1
17	46
18	412
19	162
20	1
21	0
22	1
23	146
24	7072
25	22164
26	1830
27	1
28	0
29	1
30	454
31	115432
32	2744088
33	2822340
34	24270
35	1
36	0
37	1
38	1394
39	1827592
40	319881696
41	3913037880
42	496348740
43	418350
44	1
45	0
46	1
47	4246
48	28390552
49	35924741232
50	5079363328560
51	9082206410040
52	147569907780
53	8040810
54	1

[1, 0, 1, 0, 1, 1, 0, 1, 4, 1, 0, 1, 14, 22, 1, 0, 1, 46, 412, 162, 1, 0, 1, 146, 7072, 22164, 1830, 1, 0, 1, 454, 115432, 2744088, 2822340, 24270, 1, 0, 1, 1394, 1827592, 319881696, 3913037880, 496348740, 418350, 1, 0, 1, 4246, 28390552, 35924741232, 5079363328560, 9082206410040, 147569907780, 8040810, 1]

cp's OEIS Frontend

A281891 Square array A(n,k): number of integers having k or more factors less than prime(n+1) in their prime factorization, within any interval of primorial(n)^k positive integers.

Table of values

List of values