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.

A030154 Squares such that in n and sqrt(n) the parity of digits alternates.

Table of values

n a(n)
1 0
2 1
3 4
4 9
5 16
6 25
7 36
8 49
9 81
10 256
11 529
12 729
13 1296
14 4761
15 5476
16 6561
17 9216
18 16129
19 32761
20 34969
21 87616
22 763876
23 5414929
24 5612161
25 7414729
26 7436529
27 7634169
28 14561856
29 21058921
30 34503876
31 43072969
32 43414921
33 45252529
34 69272329

List of values

[0, 1, 4, 9, 16, 25, 36, 49, 81, 256, 529, 729, 1296, 4761, 5476, 6561, 9216, 16129, 32761, 34969, 87616, 763876, 5414929, 5612161, 7414729, 7436529, 7634169, 14561856, 21058921, 34503876, 43072969, 43414921, 45252529, 69272329]