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.

A367558 Number of knight paths from opposite corners of an n X n matrix, using only turns that lower Manhattan distance.

Table of values

n a(n)
0 0
1 1
2 0
3 0
4 2
5 4
6 14
7 56
8 244
9 1140
10 5482
11 26886
12 134528
13 681944
14 3493524
15 18057208
16 94018056
17 492534414
18 2593760854
19 13720433802
20 72859816050
21 388218182456
22 2074683905712
23 11116464683746
24 59702675780296
25 321311045089704
26 1732487750419756
27 9357244742176372
28 50616284630194342
29 274180772642526672
30 1487084387418749912

List of values

[0, 1, 0, 0, 2, 4, 14, 56, 244, 1140, 5482, 26886, 134528, 681944, 3493524, 18057208, 94018056, 492534414, 2593760854, 13720433802, 72859816050, 388218182456, 2074683905712, 11116464683746, 59702675780296, 321311045089704, 1732487750419756, 9357244742176372, 50616284630194342, 274180772642526672, 1487084387418749912]