A190668 - cp's OEIS frontend

A190668 a(n) = Product_{k>=1} floor(n^(1/k)).

n	a(n)
1	1
2	2
3	3
4	8
5	10
6	12
7	14
8	32
9	54
10	60
11	66
12	72
13	78
14	84
15	90
16	256
17	272
18	288
19	304
20	320
21	336
22	352
23	368
24	384
25	500
26	520
27	810
28	840
29	870
30	900
31	930
32	1920
33	1980
34	2040
35	2100
36	2592
37	2664
38	2736
39	2808
40	2880
41	2952
42	3024
43	3096
44	3168
45	3240
46	3312
47	3384
48	3456
49	4116
50	4200
51	4284
52	4368
53	4452
54	4536
55	4620
56	4704
57	4788
58	4872
59	4956
60	5040
61	5124
62	5208
63	5292
64	16384
65	16640
66	16896
67	17152
68	17408
69	17664
70	17920
71	18176
72	18432
73	18688
74	18944
75	19200
76	19456
77	19712
78	19968
79	20224
80	20480

[1, 2, 3, 8, 10, 12, 14, 32, 54, 60, 66, 72, 78, 84, 90, 256, 272, 288, 304, 320, 336, 352, 368, 384, 500, 520, 810, 840, 870, 900, 930, 1920, 1980, 2040, 2100, 2592, 2664, 2736, 2808, 2880, 2952, 3024, 3096, 3168, 3240, 3312, 3384, 3456, 4116, 4200, 4284, 4368, 4452, 4536, 4620, 4704, 4788, 4872, 4956, 5040, 5124, 5208, 5292, 16384, 16640, 16896, 17152, 17408, 17664, 17920, 18176, 18432, 18688, 18944, 19200, 19456, 19712, 19968, 20224, 20480]

cp's OEIS Frontend

A190668 a(n) = Product_{k>=1} floor(n^(1/k)).

Table of values

List of values