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.

A250541 Number of (n+1)X(5+1) 0..3 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing x(i,j)-x(i-1,j) in the j direction.

Table of values

n a(n)
1 187000
2 2701872
3 23289547
4 151170400
5 824599694
6 4013192386
7 18064444143
8 76961701472
9 315204675572
10 1254564769204
11 4890689086931
12 18781896020328
13 71371001739442
14 269293563149046
15 1011736459116935
16 3793520599786824

List of values

[187000, 2701872, 23289547, 151170400, 824599694, 4013192386, 18064444143, 76961701472, 315204675572, 1254564769204, 4890689086931, 18781896020328, 71371001739442, 269293563149046, 1011736459116935, 3793520599786824]

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

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