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.

A263816 T(n,k)=Number of (n+1)X(k+1) arrays of permutations of 0..(n+1)*(k+1)-1 with each element having index change (+-,+-) 0,0 0,1 0,2 or 1,0.

Table of values

n a(n)
1 9
2 82
3 32
4 572
5 948
6 121
7 3682
8 18776
9 11305
10 450
11 25001
12 333429
13 643905
14 134028
15 1681
16 170946
17 6425985
18 31916832
19 21876416
20 1590733
21 6272
22 1157993
23 124854432
24 1746531193
25 3019386508
26 744805993
27 18875976
28 23409
29 7844192
30 2392853088

List of values

[9, 82, 32, 572, 948, 121, 3682, 18776, 11305, 450, 25001, 333429, 643905, 134028, 1681, 170946, 6425985, 31916832, 21876416, 1590733, 6272, 1157993, 124854432, 1746531193, 3019386508, 744805993, 18875976, 23409, 7844192, 2392853088]