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.

A229052 a(n) = Sum_{k=0..n} binomial(n^2-n*k, n*k-k^2) * binomial(n*k, k^2).

Table of values

n a(n)
0 1
1 2
2 6
3 92
4 6662
5 2150552
6 3093730764
7 18251332286098
8 466740831542894470
9 47238803741195397513182
10 20522607409110459026633535856
11 34700017072200465774261952422246668
12 250699892545838622857396499800167790109260
13 6984916990466628202550631436961441381064765905022

List of values

[1, 2, 6, 92, 6662, 2150552, 3093730764, 18251332286098, 466740831542894470, 47238803741195397513182, 20522607409110459026633535856, 34700017072200465774261952422246668, 250699892545838622857396499800167790109260, 6984916990466628202550631436961441381064765905022]