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.

A355408 Expansion of e.g.f. 1/(1 + exp(x) - exp(3*x)).

Table of values

n a(n)
0 1
1 2
2 16
3 170
4 2416
5 42962
6 916696
7 22819610
8 649207456
9 20778364322
10 738918769576
11 28905116527850
12 1233506128752496
13 57025618592932082
14 2839117599033828856
15 151446758367400488890
16 8617182795217834505536
17 520954229292164353554242

List of values

[1, 2, 16, 170, 2416, 42962, 916696, 22819610, 649207456, 20778364322, 738918769576, 28905116527850, 1233506128752496, 57025618592932082, 2839117599033828856, 151446758367400488890, 8617182795217834505536, 520954229292164353554242]