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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.

A125587 Call an n X n matrix robust if the top left i X i submatrix is invertible for all i = 1..n. Sequence gives number of n X n robust real {0,1}-matrices.

Table of values

n a(n)
1 1
2 4
3 68
4 5008
5 1603232
6 2224232640

List of values

[1, 4, 68, 5008, 1603232, 2224232640]

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