A279422 - cp's OEIS frontend

A279422 Numbers k such that k^2 has an odd number of digits and the middle digit is 2.

n	a(n)
1	11
2	15
3	18
4	23
5	25
6	27
7	101
8	106
9	115
10	135
11	149
12	159
13	162
14	165
15	168
16	171
17	174
18	185
19	193
20	198
21	203
22	208
23	215
24	222
25	233
26	235
27	265
28	267
29	278
30	285
31	292
32	297
33	302
34	307
35	315
36	1001
37	1006
38	1011
39	1016
40	1021
41	1026
42	1031
43	1045
44	1050
45	1064
46	1069
47	1078
48	1083
49	1092
50	1101

[11, 15, 18, 23, 25, 27, 101, 106, 115, 135, 149, 159, 162, 165, 168, 171, 174, 185, 193, 198, 203, 208, 215, 222, 233, 235, 265, 267, 278, 285, 292, 297, 302, 307, 315, 1001, 1006, 1011, 1016, 1021, 1026, 1031, 1045, 1050, 1064, 1069, 1078, 1083, 1092, 1101]

cp's OEIS Frontend

A279422 Numbers k such that k^2 has an odd number of digits and the middle digit is 2.

Table of values

List of values