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.

A218060 Number of n X 4 arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random 0..1 n X 4 array.

Table of values

n a(n)
1 6
2 42
3 260
4 1664
5 10566
6 66978
7 424332
8 2687866
9 17025060
10 107835994
11 683025864
12 4326234664
13 27402037744
14 173562384900
15 1099330676692
16 6963075143418
17 44103577188722
18 279348632561274
19 1769372542444278
20 11207068261293544

List of values

[6, 42, 260, 1664, 10566, 66978, 424332, 2687866, 17025060, 107835994, 683025864, 4326234664, 27402037744, 173562384900, 1099330676692, 6963075143418, 44103577188722, 279348632561274, 1769372542444278, 11207068261293544]