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.

A383255 Number of n X n {0,1,2,3} matrices having no 1's to the right of any 0's and no 3's above any 2's.

Table of values

n a(n)
0 1
1 4
2 194
3 107080
4 672498596
5 48104236145168
6 39202958861329453384
7 364022757339778569993689888
8 38513979937284562006371342202842000
9 46429021191757554279412904483559912259714112
10 637737721080296383894709847744103523361428384973270816

List of values

[1, 4, 194, 107080, 672498596, 48104236145168, 39202958861329453384, 364022757339778569993689888, 38513979937284562006371342202842000, 46429021191757554279412904483559912259714112, 637737721080296383894709847744103523361428384973270816]

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

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