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.

A233299 Number of (n+1)X(3+1) 0..1 arrays x(i,j) with row sums sum{x(i,j), j=1..3+1} nondecreasing, and column sums sum{i^2*x(i,j), i=1..n+1} nondecreasing.

Table of values

n a(n)
1 22
2 105
3 567
4 3556
5 21856
6 135636
7 836259
8 5134856
9 31326263
10 190404404
11 1153108628
12 6966626079
13 42004555617
14 252889763684

List of values

[22, 105, 567, 3556, 21856, 135636, 836259, 5134856, 31326263, 190404404, 1153108628, 6966626079, 42004555617, 252889763684]