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.

A365590 Number of n X n Boolean relation matrices such that each of the diagonal blocks of its Frobenius normal form is either a 1 block or a 0 block.

Table of values

n a(n)
0 1
1 2
2 13
3 243
4 11998
5 1477763
6 436610299
7 300960642300
8 474171878424571
9 1680899431189662775
10 13241419272545722904788
11 229482664065433754849099977
12 8677282817864146616211588609715
13 710901968198799834001047038898570250

List of values

[1, 2, 13, 243, 11998, 1477763, 436610299, 300960642300, 474171878424571, 1680899431189662775, 13241419272545722904788, 229482664065433754849099977, 8677282817864146616211588609715, 710901968198799834001047038898570250]

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

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