A096290 - cp's OEIS frontend

A096290 Prime power perfect numbers: If n = Product p_i^r_i let PPsigma(n) = Product {Sum p_i^s_i, 2<=s_i<=r_i, s_i is prime}; sequence gives numbers k such that PPsigma(k) = 2*k.

n	a(n)
1	216
2	5400
3	10584
4	26136
5	36504
6	62424
7	77976
8	114264
9	181656
10	207576
11	264600
12	295704
13	363096
14	399384
15	477144
16	606744
17	653400
18	751896
19	803736
20	912600
21	969624
22	1088856
23	1149984
24	1151064
25	1280664
26	1348056
27	1488024
28	1560600
29	1710936
30	1788696
31	1949400
32	2032344
33	2203416

[216, 5400, 10584, 26136, 36504, 62424, 77976, 114264, 181656, 207576, 264600, 295704, 363096, 399384, 477144, 606744, 653400, 751896, 803736, 912600, 969624, 1088856, 1149984, 1151064, 1280664, 1348056, 1488024, 1560600, 1710936, 1788696, 1949400, 2032344, 2203416]

cp's OEIS Frontend

A096290 Prime power perfect numbers: If n = Product p_i^r_i let PPsigma(n) = Product {Sum p_i^s_i, 2<=s_i<=r_i, s_i is prime}; sequence gives numbers k such that PPsigma(k) = 2*k.

Table of values

List of values