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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.

A225111 Number of lattice paths without interior points from {n}^n to {0}^n using steps that decrement one component by 1.

Table of values

n a(n)
0 1
1 1
2 2
3 384
4 8059800
5 38606650125120
6 71646205399259162031360
7 78385944219935192681549282987212800
8 71605824043564034004713155518007394441060661360000
9 73473023853389304132357517396557811159635782691183541179936000000000

List of values

[1, 1, 2, 384, 8059800, 38606650125120, 71646205399259162031360, 78385944219935192681549282987212800, 71605824043564034004713155518007394441060661360000, 73473023853389304132357517396557811159635782691183541179936000000000]

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

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