A331972 - cp's OEIS frontend

A331972 Bi-unitary highly touchable numbers: numbers m > 1 such that a record number of numbers k have m as the sum of the proper bi-unitary divisors of k.

n	a(n)
1	2
2	6
3	8
4	17
5	29
6	31
7	55
8	79
9	91
10	115
11	121
12	175
13	181
14	211
15	295
16	301
17	361
18	391
19	421
20	481
21	511
22	571
23	631
24	781
25	841
26	991
27	1051
28	1231
29	1261
30	1471
31	1561
32	1651
33	1681
34	1891
35	2101
36	2311
37	2731
38	3151
39	3361
40	3571
41	3991
42	4201
43	4291
44	4411
45	4621
46	5251
47	5461
48	6091
49	6511
50	6931

[2, 6, 8, 17, 29, 31, 55, 79, 91, 115, 121, 175, 181, 211, 295, 301, 361, 391, 421, 481, 511, 571, 631, 781, 841, 991, 1051, 1231, 1261, 1471, 1561, 1651, 1681, 1891, 2101, 2311, 2731, 3151, 3361, 3571, 3991, 4201, 4291, 4411, 4621, 5251, 5461, 6091, 6511, 6931]

cp's OEIS Frontend

A331972 Bi-unitary highly touchable numbers: numbers m > 1 such that a record number of numbers k have m as the sum of the proper bi-unitary divisors of k.

Table of values

List of values