A136820 - cp's OEIS frontend

A136820 Numbers k such that k and k^2 use only the digits 0, 1, 2, 4 and 8.

n	a(n)
1	0
2	1
3	2
4	10
5	11
6	12
7	20
8	21
9	22
10	100
11	101
12	102
13	110
14	120
15	122
16	200
17	201
18	202
19	210
20	220
21	221
22	1000
23	1001
24	1002
25	1010
26	1011
27	1012
28	1020
29	1021
30	1022
31	1100
32	1101
33	1102
34	1200
35	1201
36	1202
37	1220
38	1422
39	1488
40	2000
41	2001
42	2002
43	2010
44	2011
45	2012
46	2020
47	2021
48	2022
49	2100
50	2101
51	2102
52	2200
53	2201
54	2202
55	2210
56	2848
57	4488
58	10000
59	10001
60	10002
61	10010
62	10011
63	10012
64	10020

[0, 1, 2, 10, 11, 12, 20, 21, 22, 100, 101, 102, 110, 120, 122, 200, 201, 202, 210, 220, 221, 1000, 1001, 1002, 1010, 1011, 1012, 1020, 1021, 1022, 1100, 1101, 1102, 1200, 1201, 1202, 1220, 1422, 1488, 2000, 2001, 2002, 2010, 2011, 2012, 2020, 2021, 2022, 2100, 2101, 2102, 2200, 2201, 2202, 2210, 2848, 4488, 10000, 10001, 10002, 10010, 10011, 10012, 10020]

cp's OEIS Frontend

A136820 Numbers k such that k and k^2 use only the digits 0, 1, 2, 4 and 8.

Table of values

List of values