A341781 - cp's OEIS frontend

A341781 Refactorable numbers (or tau numbers, A033950) k such that k/tau(k) is even, where tau(k) = A000005(k).

n	a(n)
1	8
2	12
3	36
4	72
5	80
6	96
7	128
8	180
9	240
10	252
11	288
12	384
13	396
14	448
15	468
16	480
17	560
18	612
19	640
20	672
21	684
22	720
23	828
24	864
25	880
26	896
27	972
28	1040
29	1044
30	1056
31	1116
32	1152
33	1200
34	1248
35	1332
36	1344
37	1360
38	1408
39	1440
40	1476
41	1520
42	1548
43	1620
44	1632
45	1664
46	1680
47	1692
48	1800
49	1824

[8, 12, 36, 72, 80, 96, 128, 180, 240, 252, 288, 384, 396, 448, 468, 480, 560, 612, 640, 672, 684, 720, 828, 864, 880, 896, 972, 1040, 1044, 1056, 1116, 1152, 1200, 1248, 1332, 1344, 1360, 1408, 1440, 1476, 1520, 1548, 1620, 1632, 1664, 1680, 1692, 1800, 1824]

cp's OEIS Frontend

A341781 Refactorable numbers (or tau numbers, A033950) k such that k/tau(k) is even, where tau(k) = A000005(k).

Table of values

List of values