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.

A274671 Diagonal of the rational function 1/(1 - x - y - z - x y + x z + y z - x y z).

Table of values

n a(n)
0 1
1 5
2 49
3 593
4 7921
5 111965
6 1641865
7 24705665
8 378931585
9 5898329045
10 92893693729
11 1477015762865
12 23671209428881
13 381902943661517
14 6196712221450009
15 101043805539177473
16 1654726991239056385
17 27201210101330189477
18 448652354194417534609
19 7422254208909904273553

List of values

[1, 5, 49, 593, 7921, 111965, 1641865, 24705665, 378931585, 5898329045, 92893693729, 1477015762865, 23671209428881, 381902943661517, 6196712221450009, 101043805539177473, 1654726991239056385, 27201210101330189477, 448652354194417534609, 7422254208909904273553]