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.

A166482 a(n) = Sum_{k=0..n} binomial(n+k,2k)*Fibonacci(2k+1).

Table of values

n a(n)
0 1
1 3
2 12
3 51
4 221
5 965
6 4227
7 18540
8 81363
9 357145
10 1567849
11 6883059
12 30218028
13 132664227
14 582428789
15 2557009709
16 11225925267
17 49284687948
18 216372426339
19 949930508209
20 4170438905425
21 18309298027683
22 80382521554380

List of values

[1, 3, 12, 51, 221, 965, 4227, 18540, 81363, 357145, 1567849, 6883059, 30218028, 132664227, 582428789, 2557009709, 11225925267, 49284687948, 216372426339, 949930508209, 4170438905425, 18309298027683, 80382521554380]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.