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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.

A300391 The number of paths of length 8*n from the origin to the line y = 3*x/5 with unit east and north steps that stay below the line or touch it.

Table of values

n a(n)
0 1
1 7
2 525
3 58040
4 7574994
5 1084532963
6 164734116407
7 26070940600055
8 4252443527211637
9 709846349042619913
10 120679177855928146859
11 20822762876863605793639
12 3637213213067542990001936
13 641912742432770594132245835
14 114287840570892852593437353124
15 20502971288127330644273350110698

List of values

[1, 7, 525, 58040, 7574994, 1084532963, 164734116407, 26070940600055, 4252443527211637, 709846349042619913, 120679177855928146859, 20822762876863605793639, 3637213213067542990001936, 641912742432770594132245835, 114287840570892852593437353124, 20502971288127330644273350110698]

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

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