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.

A286887 Number of irredundant sets in the path graph P_n.

Table of values

n a(n)
1 2
2 3
3 5
4 9
5 15
6 26
7 44
8 76
9 130
10 223
11 382
12 655
13 1123
14 1925
15 3300
16 5657
17 9698
18 16625
19 28500
20 48857
21 83755
22 143580
23 246137
24 421949
25 723341
26 1240013
27 2125736
28 3644118
29 6247058
30 10709240
31 18358693
32 31472038
33 53952053
34 92489213
35 158552901
36 271804912
37 465951173

List of values

[2, 3, 5, 9, 15, 26, 44, 76, 130, 223, 382, 655, 1123, 1925, 3300, 5657, 9698, 16625, 28500, 48857, 83755, 143580, 246137, 421949, 723341, 1240013, 2125736, 3644118, 6247058, 10709240, 18358693, 31472038, 53952053, 92489213, 158552901, 271804912, 465951173]