A303358 - cp's OEIS frontend

A303358 Bi-unitary deficient-perfect numbers: bi-unitary deficient numbers k for such that 2*k - bsigma(k) is a bi-unitary divisor of k, where bsigma(k) is the sum of bi-unitary divisors of k (A188999).

n	a(n)
1	1
2	2
3	8
4	10
5	12
6	32
7	112
8	128
9	136
10	144
11	152
12	184
13	512
14	1088
15	2048
16	2144
17	2272
18	2528
19	2736
20	3248
21	3312
22	4592
23	7936
24	8192
25	9800
26	11800
27	17176
28	18632
29	18904
30	22984
31	32768
32	32896
33	33664
34	34688
35	49024
36	57152
37	77248
38	85952
39	131072
40	176400
41	212400
42	309168
43	335376

[1, 2, 8, 10, 12, 32, 112, 128, 136, 144, 152, 184, 512, 1088, 2048, 2144, 2272, 2528, 2736, 3248, 3312, 4592, 7936, 8192, 9800, 11800, 17176, 18632, 18904, 22984, 32768, 32896, 33664, 34688, 49024, 57152, 77248, 85952, 131072, 176400, 212400, 309168, 335376]

cp's OEIS Frontend

A303358 Bi-unitary deficient-perfect numbers: bi-unitary deficient numbers k for such that 2*k - bsigma(k) is a bi-unitary divisor of k, where bsigma(k) is the sum of bi-unitary divisors of k (A188999).

Table of values

List of values