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.

A223572 Number of nX4 0..2 arrays with antidiagonals unimodal.

Table of values

n a(n)
1 81
2 6561
3 352836
4 16230456
5 746600976
6 34343644896
7 1579807665216
8 72671152599936
9 3342873019597056
10 153772158901464576
11 7073519309467370496
12 325381888235499042816
13 14967566858832955969536
14 688508075506315974598656

List of values

[81, 6561, 352836, 16230456, 746600976, 34343644896, 1579807665216, 72671152599936, 3342873019597056, 153772158901464576, 7073519309467370496, 325381888235499042816, 14967566858832955969536, 688508075506315974598656]