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.

A163028 Number of n X n binary arrays with all 1s connected and a path of 1s from the top row to the bottom row.

Table of values

n a(n)
1 1
2 7
3 144
4 9362
5 2075271
6 1642690309
7 4741764527414
8 50301538415794232
9 1966097907322824101263
10 283293243539676951470723543
11 150432229851691149674511947484546
12 294212923045987478712868787193615243838
13 2117957004814862762696618942898524645283531305

List of values

[1, 7, 144, 9362, 2075271, 1642690309, 4741764527414, 50301538415794232, 1966097907322824101263, 283293243539676951470723543, 150432229851691149674511947484546, 294212923045987478712868787193615243838, 2117957004814862762696618942898524645283531305]