A336463 - cp's OEIS frontend

A336463 Numbers k for which A335915(k) = A335915(sigma(sigma(k))).

n	a(n)
1	1
2	2
3	4
4	7
5	8
6	14
7	15
8	16
9	21
10	28
11	33
12	42
13	45
14	56
15	60
16	64
17	84
18	102
19	112
20	128
21	130
22	132
23	147
24	152
25	160
26	168
27	180
28	240
29	273
30	306
31	336
32	406
33	408
34	435
35	441
36	448
37	512
38	513
39	520
40	528
41	546
42	574
43	588
44	615
45	720
46	765
47	896
48	960
49	1023
50	1026
51	1224
52	1323
53	1344
54	1470
55	1568
56	1740
57	1764
58	1785
59	1989
60	2052
61	2112
62	2184
63	2296
64	2352
65	2432
66	2625

[1, 2, 4, 7, 8, 14, 15, 16, 21, 28, 33, 42, 45, 56, 60, 64, 84, 102, 112, 128, 130, 132, 147, 152, 160, 168, 180, 240, 273, 306, 336, 406, 408, 435, 441, 448, 512, 513, 520, 528, 546, 574, 588, 615, 720, 765, 896, 960, 1023, 1026, 1224, 1323, 1344, 1470, 1568, 1740, 1764, 1785, 1989, 2052, 2112, 2184, 2296, 2352, 2432, 2625]

cp's OEIS Frontend

A336463 Numbers k for which A335915(k) = A335915(sigma(sigma(k))).

Table of values

List of values