A121281 - cp's OEIS frontend

A121281 Triangle T(n,k) read by rows: T(n,0) = A002110(n) and T(n,k) = A002110(n)/prime(k) for 1<=k<=n.

n	a(n)
0	1
1	2
2	1
3	6
4	3
5	2
6	30
7	15
8	10
9	6
10	210
11	105
12	70
13	42
14	30
15	2310
16	1155
17	770
18	462
19	330
20	210
21	30030
22	15015
23	10010
24	6006
25	4290
26	2730
27	2310
28	510510
29	255255
30	170170
31	102102
32	72930
33	46410
34	39270
35	30030
36	9699690
37	4849845
38	3233230
39	1939938
40	1385670
41	881790
42	746130
43	570570
44	510510

[1, 2, 1, 6, 3, 2, 30, 15, 10, 6, 210, 105, 70, 42, 30, 2310, 1155, 770, 462, 330, 210, 30030, 15015, 10010, 6006, 4290, 2730, 2310, 510510, 255255, 170170, 102102, 72930, 46410, 39270, 30030, 9699690, 4849845, 3233230, 1939938, 1385670, 881790, 746130, 570570, 510510]

cp's OEIS Frontend

A121281 Triangle T(n,k) read by rows: T(n,0) = A002110(n) and T(n,k) = A002110(n)/prime(k) for 1<=k<=n.

Table of values

List of values