A218464 - cp's OEIS frontend

A218464 Numbers m = (Sum_(j=1..k) tau(j)) with m divisible by k, where tau(j) is the number of divisors of j.

n	a(n)
1	1
2	8
3	10
4	45
5	168
6	176
7	188
8	605
9	2016
10	2040
11	2082
12	6510
13	20384
14	62433
15	62523
16	564542
17	4928261
18	4928703
19	4928729
20	42018075
21	351871865
22	1012753620
23	1012755546
24	2905896480
25	2905898228
26	192057921660
27	1542529159875
28	12309661243665
29	12309661255437
30	34700429419432

[1, 8, 10, 45, 168, 176, 188, 605, 2016, 2040, 2082, 6510, 20384, 62433, 62523, 564542, 4928261, 4928703, 4928729, 42018075, 351871865, 1012753620, 1012755546, 2905896480, 2905898228, 192057921660, 1542529159875, 12309661243665, 12309661255437, 34700429419432]

cp's OEIS Frontend

A218464 Numbers m = (Sum_(j=1..k) tau(j)) with m divisible by k, where tau(j) is the number of divisors of j.

Table of values

List of values