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.

A250852 Number of (n+1) X (7+1) 0..3 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction.

Table of values

n a(n)
1 27225
2 198297
3 1195457
4 6279401
5 30214465
6 137379337
7 601566177
8 2567402601
9 10763029505
10 44552408777
11 182750596897
12 744705474601
13 3020091585345
14 12204496276617
15 49191016683617
16 197884445031401
17 794901482169985

List of values

[27225, 198297, 1195457, 6279401, 30214465, 137379337, 601566177, 2567402601, 10763029505, 44552408777, 182750596897, 744705474601, 3020091585345, 12204496276617, 49191016683617, 197884445031401, 794901482169985]

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

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