A030097 - cp's OEIS frontend

A030097 Numbers k such that k^2 has only even digits.

n	a(n)
1	0
2	2
3	8
4	20
5	22
6	68
7	78
8	80
9	92
10	162
11	168
12	200
13	202
14	220
15	262
16	298
17	478
18	492
19	498
20	668
21	680
22	780
23	800
24	898
25	908
26	920
27	932
28	1422
29	1492
30	1498
31	1620
32	1680
33	1692
34	2000
35	2002
36	2020
37	2022
38	2192
39	2200
40	2202
41	2498
42	2502
43	2578
44	2620
45	2832
46	2878
47	2978
48	2980
49	4502

[0, 2, 8, 20, 22, 68, 78, 80, 92, 162, 168, 200, 202, 220, 262, 298, 478, 492, 498, 668, 680, 780, 800, 898, 908, 920, 932, 1422, 1492, 1498, 1620, 1680, 1692, 2000, 2002, 2020, 2022, 2192, 2200, 2202, 2498, 2502, 2578, 2620, 2832, 2878, 2978, 2980, 4502]

cp's OEIS Frontend

A030097 Numbers k such that k^2 has only even digits.

Table of values

List of values