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.

A099330 Number of Catalan knight paths from (0,0) to (n,2) 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 1
3 0
4 1
5 1
6 5
7 6
8 14
9 18
10 43
11 70
12 147
13 243
14 475
15 828
16 1596
17 2852
18 5365
19 9676
20 18037
21 32853
22 60929
23 111394
24 205770
25 377142
26 695519
27 1276818
28 2351975
29 4320935
30 7954167
31 14620472
32 26904824
33 49467208
34 91010153
35 167357080
36 307868201

List of values

[0, 1, 0, 1, 1, 5, 6, 14, 18, 43, 70, 147, 243, 475, 828, 1596, 2852, 5365, 9676, 18037, 32853, 60929, 111394, 205770, 377142, 695519, 1276818, 2351975, 4320935, 7954167, 14620472, 26904824, 49467208, 91010153, 167357080, 307868201]