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.

A268250 Number of 3Xn 0..n arrays with every repeated value in every row greater than, and every column greater than or equal to, the previous repeated value.

Table of values

n a(n)
1 8
2 729
3 216000
4 185193000
5 337153536000
6 1125058699232216
7 6206699397581803008
8 52644642506757331562232
9 650274909835389362799561000
10 11215805818364638436336901795648

List of values

[8, 729, 216000, 185193000, 337153536000, 1125058699232216, 6206699397581803008, 52644642506757331562232, 650274909835389362799561000, 11215805818364638436336901795648]

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

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