A303357 - cp's OEIS frontend

A303357 Unitary near-perfect numbers: unitary abundant numbers n such that usigma(n) - 2n is a unitary divisor of n, where usigma(n) is the sum of unitary divisors of n (A034448).

n	a(n)
1	295680
2	13278720
3	363095040
4	454755840
5	675333120
6	694256640
7	845053440
8	1038428160
9	2274455040
10	2357921280
11	3099048960
12	5021076480
13	6114339840
14	9643096320
15	9817328640
16	14495416320
17	17121377280
18	23787294720
19	30583418880
20	36277463040
21	45129477120
22	114499338240
23	211380879360

[295680, 13278720, 363095040, 454755840, 675333120, 694256640, 845053440, 1038428160, 2274455040, 2357921280, 3099048960, 5021076480, 6114339840, 9643096320, 9817328640, 14495416320, 17121377280, 23787294720, 30583418880, 36277463040, 45129477120, 114499338240, 211380879360]

cp's OEIS Frontend

A303357 Unitary near-perfect numbers: unitary abundant numbers n such that usigma(n) - 2n is a unitary divisor of n, where usigma(n) is the sum of unitary divisors of n (A034448).

Table of values

List of values