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.

A264566 Number of (n+1)X(5+1) arrays of permutations of 0..n*6+5 with each element having directed index change 1,0 1,1 0,-1 or -1,1.

Table of values

n a(n)
1 2
2 24
3 143
4 1130
5 7808
6 57265
7 403872
8 2873739
9 20432891
10 144677017
11 1026964990
12 7278200770
13 51599366898
14 365810734012
15 2592996883759
16 18381778773564
17 130301190621786
18 923665265649234
19 6547577009509537
20 46413487626522921

List of values

[2, 24, 143, 1130, 7808, 57265, 403872, 2873739, 20432891, 144677017, 1026964990, 7278200770, 51599366898, 365810734012, 2592996883759, 18381778773564, 130301190621786, 923665265649234, 6547577009509537, 46413487626522921]