A019292 - cp's OEIS frontend

A019292 Let sigma_m (n) be result of applying sum-of-divisors function m times to n; call n (m,k)-perfect if sigma_m (n) = k*n; sequence gives the (3,k)-perfect numbers.

n	a(n)
1	1
2	12
3	14
4	24
5	52
6	98
7	156
8	294
9	684
10	910
11	1368
12	1440
13	4480
14	4788
15	5460
16	5840
17	6882
18	7616
19	9114
20	14592
21	18288
22	22848
23	32704
24	40880
25	52416
26	53760
27	54864
28	56448
29	60960
30	65472
31	94860
32	120960
33	122640
34	169164
35	185535
36	186368
37	194432
38	196137
39	201872
40	208026
41	286160

[1, 12, 14, 24, 52, 98, 156, 294, 684, 910, 1368, 1440, 4480, 4788, 5460, 5840, 6882, 7616, 9114, 14592, 18288, 22848, 32704, 40880, 52416, 53760, 54864, 56448, 60960, 65472, 94860, 120960, 122640, 169164, 185535, 186368, 194432, 196137, 201872, 208026, 286160]

cp's OEIS Frontend

A019292 Let sigma_m (n) be result of applying sum-of-divisors function m times to n; call n (m,k)-perfect if sigma_m (n) = k*n; sequence gives the (3,k)-perfect numbers.

Table of values

List of values