A125601 - cp's OEIS frontend

A125601 a(n) is the smallest k > 0 such that there are exactly n numbers whose sum of proper divisors is k.

n	a(n)
0	2
1	3
2	6
3	21
4	37
5	31
6	49
7	79
8	73
9	91
10	115
11	127
12	151
13	121
14	181
15	169
16	217
17	265
18	253
19	271
20	211
21	301
22	433
23	379
24	331
25	361
26	457
27	391
28	451
29	655
30	463
31	541
32	421
33	775
34	511
35	769
36	673
37	715
38	865
39	691
40	1015
41	631
42	1069
43	1075
44	721
45	931
46	781
47	1123
48	871
49	925
50	901
51	1177
52	991
53	1297

[2, 3, 6, 21, 37, 31, 49, 79, 73, 91, 115, 127, 151, 121, 181, 169, 217, 265, 253, 271, 211, 301, 433, 379, 331, 361, 457, 391, 451, 655, 463, 541, 421, 775, 511, 769, 673, 715, 865, 691, 1015, 631, 1069, 1075, 721, 931, 781, 1123, 871, 925, 901, 1177, 991, 1297]

cp's OEIS Frontend

A125601 a(n) is the smallest k > 0 such that there are exactly n numbers whose sum of proper divisors is k.

Table of values

List of values