A060798 - cp's OEIS frontend

A060798 Numbers k such that difference between the upper and lower central divisors of k is 1.

n	a(n)
1	2
2	4
3	6
4	12
5	20
6	30
7	42
8	56
9	72
10	90
11	110
12	132
13	156
14	182
15	210
16	240
17	272
18	306
19	342
20	380
21	420
22	462
23	506
24	552
25	600
26	650
27	702
28	756
29	812
30	870
31	930
32	992
33	1056
34	1122
35	1190
36	1260
37	1332
38	1406
39	1482
40	1560
41	1640
42	1722
43	1806
44	1892
45	1980
46	2070
47	2162
48	2256
49	2352
50	2450

[2, 4, 6, 12, 20, 30, 42, 56, 72, 90, 110, 132, 156, 182, 210, 240, 272, 306, 342, 380, 420, 462, 506, 552, 600, 650, 702, 756, 812, 870, 930, 992, 1056, 1122, 1190, 1260, 1332, 1406, 1482, 1560, 1640, 1722, 1806, 1892, 1980, 2070, 2162, 2256, 2352, 2450]

cp's OEIS Frontend

A060798 Numbers k such that difference between the upper and lower central divisors of k is 1.

Table of values

List of values