A326181 - cp's OEIS frontend

A326181 Numbers n for which sigma(sigma(n)) = 3*sigma(n).

n	a(n)
1	54
2	56
3	87
4	95
5	276
6	308
7	429
8	446
9	455
10	501
11	581
12	611
13	158928
14	194928
15	195072
16	199950
17	226352
18	234608
19	236432
20	248325
21	255678
22	263504
23	266192
24	273050
25	275415
26	304575
27	336903
28	341162
29	353675
30	366575
31	369425
32	369843
33	380463
34	386313
35	389463
36	406565
37	411725
38	415925
39	422303
40	447587
41	468743
42	497333
43	500993
44	511829
45	515267
46	519557
47	519677

[54, 56, 87, 95, 276, 308, 429, 446, 455, 501, 581, 611, 158928, 194928, 195072, 199950, 226352, 234608, 236432, 248325, 255678, 263504, 266192, 273050, 275415, 304575, 336903, 341162, 353675, 366575, 369425, 369843, 380463, 386313, 389463, 406565, 411725, 415925, 422303, 447587, 468743, 497333, 500993, 511829, 515267, 519557, 519677]

cp's OEIS Frontend

A326181 Numbers n for which sigma(sigma(n)) = 3*sigma(n).

Table of values

List of values