A353485 - cp's OEIS frontend

A353485 Numbers k such that no x with an odd arithmetic derivative is encountered when repeatedly prime shifting from k down to 1 with the map x -> A064989(x).

n	a(n)
1	1
2	4
3	8
4	9
5	16
6	25
7	32
8	36
9	49
10	64
11	72
12	81
13	100
14	108
15	121
16	128
17	144
18	169
19	196
20	200
21	216
22	225
23	256
24	288
25	289
26	324
27	361
28	392
29	400
30	432
31	441
32	484
33	512
34	529
35	576
36	625
37	648
38	676
39	729
40	784
41	800
42	841
43	864
44	900
45	961
46	968
47	972
48	1024
49	1089
50	1152
51	1156
52	1225
53	1296
54	1352
55	1369
56	1444
57	1521
58	1568
59	1600
60	1681
61	1728
62	1764
63	1800
64	1849

[1, 4, 8, 9, 16, 25, 32, 36, 49, 64, 72, 81, 100, 108, 121, 128, 144, 169, 196, 200, 216, 225, 256, 288, 289, 324, 361, 392, 400, 432, 441, 484, 512, 529, 576, 625, 648, 676, 729, 784, 800, 841, 864, 900, 961, 968, 972, 1024, 1089, 1152, 1156, 1225, 1296, 1352, 1369, 1444, 1521, 1568, 1600, 1681, 1728, 1764, 1800, 1849]

cp's OEIS Frontend

A353485 Numbers k such that no x with an odd arithmetic derivative is encountered when repeatedly prime shifting from k down to 1 with the map x -> A064989(x).

Table of values

List of values