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.

A247565 a(n) = 5*a(n-1) - 10*a(n-2) + 8*a(n-3) with a(0) = 2, a(1) = a(2) = 3.

Table of values

n a(n)
0 2
1 3
2 3
3 1
4 -1
5 9
6 63
7 217
8 527
9 969
10 1311
11 1081
12 47
13 -87
14 7743
15 39961
16 121679
17 270729
18 456543
19 548857
20 344687
21 -112791
22 380031
23 5785561
24 24225167
25 66310473
26 135585183
27 208622521
28 217744559
29 87179049
30 -72570177
31 507315097
32 3959709647
33 14144835849
34 35185603551

List of values

[2, 3, 3, 1, -1, 9, 63, 217, 527, 969, 1311, 1081, 47, -87, 7743, 39961, 121679, 270729, 456543, 548857, 344687, -112791, 380031, 5785561, 24225167, 66310473, 135585183, 208622521, 217744559, 87179049, -72570177, 507315097, 3959709647, 14144835849, 35185603551]