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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.

A233066 Number of (5+1)X(n+1) 0..1 arrays x(i,j) with row sums sum{x(i,j), j=1..n+1} nondecreasing, and column sums sum{i*x(i,j), i=1..5+1} nondecreasing.

Table of values

n a(n)
1 132
2 1933
3 26819
4 334580
5 3849923
6 41069900
7 410815334
8 3882304854
9 34909282490
10 300390631126
11 2485871001226
12 19866918000644
13 153888527063899

List of values

[132, 1933, 26819, 334580, 3849923, 41069900, 410815334, 3882304854, 34909282490, 300390631126, 2485871001226, 19866918000644, 153888527063899]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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