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.

A274668 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 7
2 109
3 2095
4 44401
5 995647
6 23161909
7 552919423
8 13454515585
9 332268466327
10 8302478659069
11 209447296631503
12 5325782947464721
13 136330694520639535
14 3509805380065157989
15 90806156097601965055
16 2359490223343888886785
17 61541525049445532797735
18 1610570872210945422212365

List of values

[1, 7, 109, 2095, 44401, 995647, 23161909, 552919423, 13454515585, 332268466327, 8302478659069, 209447296631503, 5325782947464721, 136330694520639535, 3509805380065157989, 90806156097601965055, 2359490223343888886785, 61541525049445532797735, 1610570872210945422212365]