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.

A295720 a(n) = a(n-1) + 3*a(n-2) -2*a(n-3) - 2*a(n-4), where a(0) = 1, a(1) = 4, a(2) = 9, a(3) = 16.

Table of values

n a(n)
0 1
1 4
2 9
3 16
4 33
5 55
6 104
7 171
8 307
9 502
10 873
11 1423
12 2424
13 3943
14 6623
15 10758
16 17893
17 29035
18 47952
19 77755
20 127755
21 207046
22 338897
23 549015
24 896104
25 1451263
26 2363751
27 3827302
28 6223821
29 10075699
30 16365056
31 26489907
32 42986035
33 69574246
34 112822425
35 182593279

List of values

[1, 4, 9, 16, 33, 55, 104, 171, 307, 502, 873, 1423, 2424, 3943, 6623, 10758, 17893, 29035, 47952, 77755, 127755, 207046, 338897, 549015, 896104, 1451263, 2363751, 3827302, 6223821, 10075699, 16365056, 26489907, 42986035, 69574246, 112822425, 182593279]