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.

A370179 a(n) = floor(x*a(n-1)) for n > 0 where x = (9 + 3*sqrt(13))/2, a(0) = 1.

Table of values

n a(n)
0 1
1 9
2 89
3 881
4 8729
5 86489
6 856961
7 8491049
8 84132089
9 833608241
10 8259662969
11 81839440889
12 810891934721
13 8034582380489
14 79609268836889
15 788794660956401
16 7815635368139609
17 77439870261864089
18 767299550670033281
19 7602654788387076329
20 75329589051513986489

List of values

[1, 9, 89, 881, 8729, 86489, 856961, 8491049, 84132089, 833608241, 8259662969, 81839440889, 810891934721, 8034582380489, 79609268836889, 788794660956401, 7815635368139609, 77439870261864089, 767299550670033281, 7602654788387076329, 75329589051513986489]