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.

A065732 Largest square <= 2^n.

Table of values

n a(n)
1 1
2 4
3 4
4 16
5 25
6 64
7 121
8 256
9 484
10 1024
11 2025
12 4096
13 8100
14 16384
15 32761
16 65536
17 131044
18 262144
19 524176
20 1048576
21 2096704
22 4194304
23 8386816
24 16777216
25 33547264
26 67108864
27 134212225
28 268435456
29 536848900
30 1073741824
31 2147395600
32 4294967296
33 8589767761
34 17179869184

List of values

[1, 4, 4, 16, 25, 64, 121, 256, 484, 1024, 2025, 4096, 8100, 16384, 32761, 65536, 131044, 262144, 524176, 1048576, 2096704, 4194304, 8386816, 16777216, 33547264, 67108864, 134212225, 268435456, 536848900, 1073741824, 2147395600, 4294967296, 8589767761, 17179869184]