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.

A231620 a(n) = A000930(n^2), where A000930 is Narayana's cows sequence.

Table of values

n a(n)
0 1
1 1
2 3
3 19
4 277
5 8641
6 578949
7 83316385
8 25753389181
9 17098272199297
10 24382819596721629
11 74684329652984094451
12 491347682599497451569523
13 6943240361573523613067995729
14 210741152533202801182666172606913
15 13738849457010997118546333815068560833
16 1923823572225984354415961546862346889944243

List of values

[1, 1, 3, 19, 277, 8641, 578949, 83316385, 25753389181, 17098272199297, 24382819596721629, 74684329652984094451, 491347682599497451569523, 6943240361573523613067995729, 210741152533202801182666172606913, 13738849457010997118546333815068560833, 1923823572225984354415961546862346889944243]