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.

A069294 Number of n X 3 binary arrays with a path of adjacent 1's from upper left corner to anywhere in right hand column.

Table of values

n a(n)
2 12
3 110
4 926
5 7556
6 60920
7 488860
8 3915640
9 31340216
10 250769592
11 2006308480
12 16050948896
13 128409116176
14 1027277763840
15 8218237436320
16 65745948074080
17 525967738606656
18 4207742397091072
19 33661940724484800
20 269295530702399616

List of values

[12, 110, 926, 7556, 60920, 488860, 3915640, 31340216, 250769592, 2006308480, 16050948896, 128409116176, 1027277763840, 8218237436320, 65745948074080, 525967738606656, 4207742397091072, 33661940724484800, 269295530702399616]