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.

A333591 Alternate multiplying and adding Fibonacci numbers: a(0) = F(0) * F(1), for n >= 0, a(2n+1) = a(2n) + F(2n+2), a(2n+2) = a(2n+1) * F(2n+3).

Table of values

n a(n)
0 0
1 1
2 2
3 5
4 25
5 33
6 429
7 450
8 15300
9 15355
10 1366595
11 1366739
12 318450187
13 318450564
14 194254844040
15 194254845027
16 310224987508119
17 310224987510703
18 1297050672782249243
19 1297050672782256008
20 14197516664274574263568
21 14197516664274574281279

List of values

[0, 1, 2, 5, 25, 33, 429, 450, 15300, 15355, 1366595, 1366739, 318450187, 318450564, 194254844040, 194254845027, 310224987508119, 310224987510703, 1297050672782249243, 1297050672782256008, 14197516664274574263568, 14197516664274574281279]