A136816 - cp's OEIS frontend

A136816 Numbers k such that k and k^2 use only the digits 0, 1, 2 and 4.

n	a(n)
1	0
2	1
3	2
4	10
5	11
6	12
7	20
8	21
9	100
10	101
11	102
12	110
13	120
14	200
15	201
16	210
17	1000
18	1001
19	1002
20	1010
21	1011
22	1012
23	1020
24	1021
25	1100
26	1101
27	1102
28	1200
29	1201
30	2000
31	2001
32	2010
33	2011
34	2100
35	2101
36	10000
37	10001
38	10002
39	10010
40	10011
41	10012
42	10020
43	10021
44	10100
45	10110
46	10120
47	10200
48	10210
49	11000
50	11001
51	11002
52	11010
53	11011
54	11020
55	12000
56	12001
57	12010
58	20000
59	20001

[0, 1, 2, 10, 11, 12, 20, 21, 100, 101, 102, 110, 120, 200, 201, 210, 1000, 1001, 1002, 1010, 1011, 1012, 1020, 1021, 1100, 1101, 1102, 1200, 1201, 2000, 2001, 2010, 2011, 2100, 2101, 10000, 10001, 10002, 10010, 10011, 10012, 10020, 10021, 10100, 10110, 10120, 10200, 10210, 11000, 11001, 11002, 11010, 11011, 11020, 12000, 12001, 12010, 20000, 20001]

cp's OEIS Frontend

A136816 Numbers k such that k and k^2 use only the digits 0, 1, 2 and 4.

Table of values

List of values