A279424 - cp's OEIS frontend

A279424 Numbers k such that k^2 has an odd number of digits and the middle digit is 4.

n	a(n)
1	2
2	12
3	21
4	29
5	102
6	107
7	116
8	120
9	132
10	136
11	143
12	153
13	180
14	183
15	191
16	196
17	201
18	206
19	220
20	229
21	271
22	280
23	294
24	299
25	304
26	309
27	1002
28	1007
29	1012
30	1017
31	1022
32	1027
33	1046
34	1051
35	1065
36	1070
37	1079
38	1093
39	1102
40	1111
41	1120
42	1129
43	1142
44	1151
45	1155
46	1164
47	1168
48	1181

[2, 12, 21, 29, 102, 107, 116, 120, 132, 136, 143, 153, 180, 183, 191, 196, 201, 206, 220, 229, 271, 280, 294, 299, 304, 309, 1002, 1007, 1012, 1017, 1022, 1027, 1046, 1051, 1065, 1070, 1079, 1093, 1102, 1111, 1120, 1129, 1142, 1151, 1155, 1164, 1168, 1181]

cp's OEIS Frontend

A279424 Numbers k such that k^2 has an odd number of digits and the middle digit is 4.

Table of values

List of values