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.

A229385 Number of n X n 0..3 arrays of the sum of the corresponding element, the element to the east and the element to the south in a larger (n+1)X(n+1) 0..1 array.

Table of values

n a(n)
1 4
2 128
3 19124
4 10624396
5 22494002188
6 187243393024012
7 6184286713271025676
8 813778114811695225372684
9 427490676925568251567286517772
10 897390142311167244989919805371842572

List of values

[4, 128, 19124, 10624396, 22494002188, 187243393024012, 6184286713271025676, 813778114811695225372684, 427490676925568251567286517772, 897390142311167244989919805371842572]