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.

A206250 Number of (n+1) X 4 0..3 arrays with every 2 X 2 subblock having zero permanent.

Table of values

n a(n)
1 1600
2 99856
3 1364224
4 49336576
5 944701696
6 27285753856
7 603269103616
8 15860529270784
9 372641945092096
10 9417680785309696
11 227009527113908224
12 5642600260896292864
13 137487696199369621504
14 3393605721164360974336

List of values

[1600, 99856, 1364224, 49336576, 944701696, 27285753856, 603269103616, 15860529270784, 372641945092096, 9417680785309696, 227009527113908224, 5642600260896292864, 137487696199369621504, 3393605721164360974336]

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

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