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.

A263986 Difference between Catalan numbers and Fibonacci numbers: a(n) = C(n) - F(n).

Table of values

n a(n)
0 1
1 0
2 1
3 3
4 11
5 37
6 124
7 416
8 1409
9 4828
10 16741
11 58697
12 207868
13 742667
14 2674063
15 9694235
16 35356683
17 129643193
18 477636116
19 1767259009
20 6564113655
21 24466256074
22 91482545929
23 343059584993
24 1289904100956
25 4861946326427
26 18367352950759
27 69533550719586

List of values

[1, 0, 1, 3, 11, 37, 124, 416, 1409, 4828, 16741, 58697, 207868, 742667, 2674063, 9694235, 35356683, 129643193, 477636116, 1767259009, 6564113655, 24466256074, 91482545929, 343059584993, 1289904100956, 4861946326427, 18367352950759, 69533550719586]