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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.

A292694 Sum over all Dyck paths of semilength n of products over all peaks p of (n*x_p+y_p)/y_p, where x_p and y_p are the coordinates of peak p.

Table of values

n a(n)
0 1
1 2
2 24
3 764
4 47650
5 4953222
6 776036520
7 171140340632
8 50569280587134
9 19291547098210250
10 9231053150452094896
11 5414004448824367167444
12 3819333773584571070766756
13 3190486349393577447421521614
14 3114480787139044226695876470000
15 3512892958123523912923517986350000

List of values

[1, 2, 24, 764, 47650, 4953222, 776036520, 171140340632, 50569280587134, 19291547098210250, 9231053150452094896, 5414004448824367167444, 3819333773584571070766756, 3190486349393577447421521614, 3114480787139044226695876470000, 3512892958123523912923517986350000]

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

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