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.

A378113 Number of n-tuples (p_1, p_2, ..., p_n) of Dyck paths of semilength n, such that each p_i is never below p_{i-1} and the upper path p_n only touches the x-axis at its endpoints.

Table of values

n a(n)
0 1
1 1
2 2
3 23
4 880
5 105554
6 40446551
7 50637232553
8 209584899607676
9 2881189188022646406
10 131778113962930341491415
11 20065327661524165382215337625
12 10173706896856510992170168595911888
13 17178054578218938036671513200907244799852
14 96590987238453485101729361602126273065518820938

List of values

[1, 1, 2, 23, 880, 105554, 40446551, 50637232553, 209584899607676, 2881189188022646406, 131778113962930341491415, 20065327661524165382215337625, 10173706896856510992170168595911888, 17178054578218938036671513200907244799852, 96590987238453485101729361602126273065518820938]