cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A244283 Consider a number n with m decimal digits, m>9. The sequence lists the numbers n such that the prefix of length m-1 and the suffix of length m-1 are both perfect squares.

Table of values

n a(n)
1 10
2 11
3 14
4 19
5 40
6 41
7 44
8 49
9 90
10 91
11 94
12 99
13 164
14 364
15 649
16 816
17 1000
18 1001
19 1004
20 1009
21 1441
22 1961
23 2256
24 4000
25 4001
26 4004
27 4009
28 4841
29 6256
30 7841
31 9000
32 9001
33 9004
34 9009
35 20256
36 30256
37 31369
38 40961
39 46241
40 51849
41 54761
42 60841
43 73969
44 79216
45 90256
46 94096

List of values

[10, 11, 14, 19, 40, 41, 44, 49, 90, 91, 94, 99, 164, 364, 649, 816, 1000, 1001, 1004, 1009, 1441, 1961, 2256, 4000, 4001, 4004, 4009, 4841, 6256, 7841, 9000, 9001, 9004, 9009, 20256, 30256, 31369, 40961, 46241, 51849, 54761, 60841, 73969, 79216, 90256, 94096]