A261215 - cp's OEIS frontend

A261215 Triangle read by rows: T(n, k) is the number of squarefree integers x such that x<=primorial(n) and omega(n) = k with 0<=k<=n.

n	a(n)
0	1
1	1
2	1
3	1
4	3
5	1
6	1
7	10
8	7
9	1
10	1
11	46
12	62
13	19
14	1
15	1
16	343
17	643
18	359
19	58
20	1
21	1
22	3248
23	7429
24	5723
25	1708
26	152
27	1
28	1
29	42331
30	110373
31	104928
32	44365
33	7926
34	422
35	1
36	1
37	646029
38	1848729
39	2024368
40	1068664
41	276833
42	31108
43	995
44	1

[1, 1, 1, 1, 3, 1, 1, 10, 7, 1, 1, 46, 62, 19, 1, 1, 343, 643, 359, 58, 1, 1, 3248, 7429, 5723, 1708, 152, 1, 1, 42331, 110373, 104928, 44365, 7926, 422, 1, 1, 646029, 1848729, 2024368, 1068664, 276833, 31108, 995, 1]

cp's OEIS Frontend

A261215 Triangle read by rows: T(n, k) is the number of squarefree integers x such that x<=primorial(n) and omega(n) = k with 0<=k<=n.

Table of values

List of values