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.

A351856 Number of nonnegative integer solutions to 2*n = x_1 + x_2 + ... + x_n + 2*y_1 + 2*y_2 + ... + 2*y_n.

Table of values

n a(n)
1 2
2 14
3 119
4 1086
5 10252
6 98735
7 963832
8 9502014
9 94386908
10 943206264
11 9471346755
12 95491466655
13 966026045376
14 9800968460024
15 99685873633744
16 1016118049037630
17 10377363759903252
18 106161722891946356
19 1087696666197827374
20 11159365823946907336
21 114631982782490824420

List of values

[2, 14, 119, 1086, 10252, 98735, 963832, 9502014, 94386908, 943206264, 9471346755, 95491466655, 966026045376, 9800968460024, 99685873633744, 1016118049037630, 10377363759903252, 106161722891946356, 1087696666197827374, 11159365823946907336, 114631982782490824420]