A305325 - cp's OEIS frontend

A305325 Irregular triangle read by rows T(n, k), n >= 1 and 1 <= k <= A305215(n): T(n, k) is the k-th positive number with largest prime power factor equal to A000961(n).

n	a(n)
1	1
2	2
3	3
4	6
5	4
6	12
7	5
8	10
9	15
10	20
11	30
12	60
13	7
14	14
15	21
16	28
17	35
18	42
19	70
20	84
21	105
22	140
23	210
24	420
25	8
26	24
27	40
28	56
29	120
30	168
31	280
32	840
33	9
34	18
35	36
36	45
37	63
38	72
39	90
40	126
41	180
42	252
43	315
44	360
45	504
46	630
47	1260
48	2520
49	11
50	22
51	33
52	44
53	55
54	66
55	77
56	88
57	99
58	110
59	132
60	154
61	165

[1, 2, 3, 6, 4, 12, 5, 10, 15, 20, 30, 60, 7, 14, 21, 28, 35, 42, 70, 84, 105, 140, 210, 420, 8, 24, 40, 56, 120, 168, 280, 840, 9, 18, 36, 45, 63, 72, 90, 126, 180, 252, 315, 360, 504, 630, 1260, 2520, 11, 22, 33, 44, 55, 66, 77, 88, 99, 110, 132, 154, 165]

cp's OEIS Frontend

A305325 Irregular triangle read by rows T(n, k), n >= 1 and 1 <= k <= A305215(n): T(n, k) is the k-th positive number with largest prime power factor equal to A000961(n).

Table of values

List of values