A030157 - cp's OEIS frontend

A030157 Even numbers k such that in k^2 the parity of digits alternates.

n	a(n)
1	0
2	2
3	4
4	6
5	16
6	26
7	36
8	74
9	84
10	96
11	204
12	264
13	296
14	384
15	404
16	426
17	574
18	584
19	606
20	726
21	736
22	764
23	874
24	884
25	964
26	1464
27	1584
28	1596
29	1704
30	2036
31	2074
32	2084
33	2184
34	2916
35	2926
36	2964
37	3306
38	3536
39	3764
40	3816
41	4116
42	4264
43	4306
44	5684
45	5726
46	5736
47	5874

[0, 2, 4, 6, 16, 26, 36, 74, 84, 96, 204, 264, 296, 384, 404, 426, 574, 584, 606, 726, 736, 764, 874, 884, 964, 1464, 1584, 1596, 1704, 2036, 2074, 2084, 2184, 2916, 2926, 2964, 3306, 3536, 3764, 3816, 4116, 4264, 4306, 5684, 5726, 5736, 5874]

cp's OEIS Frontend

A030157 Even numbers k such that in k^2 the parity of digits alternates.

Table of values

List of values