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.

A233061 Number of (n+1)X(4+1) 0..1 arrays x(i,j) with row sums sum{x(i,j), j=1..4+1} nondecreasing, and column sums sum{i*x(i,j), i=1..n+1} nondecreasing.

Table of values

n a(n)
1 34
2 319
3 2875
4 30692
5 334580
6 3654675
7 39886178
8 433495407
9 4690717033
10 50556528980

List of values

[34, 319, 2875, 30692, 334580, 3654675, 39886178, 433495407, 4690717033, 50556528980]