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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.

A140943 Number of 11 X 11 matrices with elements in 0..n with each row and each column in nondecreasing order. 11,11,n can be permuted, see formula.

Table of values

n a(n)
0 1
1 705432
2 79483257308
3 2543610972177184
4 31148053701600494400

List of values

[1, 705432, 79483257308, 2543610972177184, 31148053701600494400]

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

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