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.

A264547 Number of (n+1)X(5+1) arrays of permutations of 0..n*6+5 with each element having directed index change -1,1 -1,2 1,0 or 0,-1.

Table of values

n a(n)
1 1
2 40
3 172
4 1528
5 14852
6 105081
7 813473
8 6587227
9 50597392
10 392445418
11 3079324224
12 23951405053
13 186390329980
14 1454120420684
15 11328848497754
16 88249763622117
17 687788460643528
18 5359344090882789
19 41758209474358230
20 325395419357215040

List of values

[1, 40, 172, 1528, 14852, 105081, 813473, 6587227, 50597392, 392445418, 3079324224, 23951405053, 186390329980, 1454120420684, 11328848497754, 88249763622117, 687788460643528, 5359344090882789, 41758209474358230, 325395419357215040]