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.

A099329 Number of Catalan knight paths from (0,0) to (n,1) in the region between and on the lines y=0 and y=3. (See A096587 for the definition of Catalan knight.).

Table of values

n a(n)
1 0
2 0
3 1
4 1
5 3
6 2
7 7
8 10
9 26
10 38
11 79
12 127
13 261
14 452
15 877
16 1540
17 2916
18 5244
19 9837
20 17853
21 33159
22 60486
23 111923
24 204974
25 378334
26 694018
27 1278939
28 2348795
29 4325129
30 7948424
31 14628953
32 26893256
33 49482888
34 90987448
35 167388697
36 307825273

List of values

[0, 0, 1, 1, 3, 2, 7, 10, 26, 38, 79, 127, 261, 452, 877, 1540, 2916, 5244, 9837, 17853, 33159, 60486, 111923, 204974, 378334, 694018, 1278939, 2348795, 4325129, 7948424, 14628953, 26893256, 49482888, 90987448, 167388697, 307825273]