A282472 - cp's OEIS frontend

A282472 Numbers k where records occur for d(k^2)/d(k), where d(k) is A000005(k).

n	a(n)
1	1
2	2
3	4
4	6
5	12
6	24
7	30
8	60
9	120
10	180
11	210
12	420
13	840
14	1260
15	2310
16	4620
17	9240
18	13860
19	27720
20	30030
21	60060
22	120120
23	180180
24	360360
25	510510
26	1021020
27	2042040
28	3063060
29	6126120
30	9699690
31	19399380
32	38798760
33	58198140
34	116396280
35	223092870
36	446185740
37	892371480

[1, 2, 4, 6, 12, 24, 30, 60, 120, 180, 210, 420, 840, 1260, 2310, 4620, 9240, 13860, 27720, 30030, 60060, 120120, 180180, 360360, 510510, 1021020, 2042040, 3063060, 6126120, 9699690, 19399380, 38798760, 58198140, 116396280, 223092870, 446185740, 892371480]

cp's OEIS Frontend

A282472 Numbers k where records occur for d(k^2)/d(k), where d(k) is A000005(k).

Table of values

List of values