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.
n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 11 |
3 | 1111 |
4 | 318505 |
5 | 205646281 |
6 | 268365829681 |
7 | 645113283892561 |
8 | 2642842746670654081 |
9 | 17340073528178593019521 |
10 | 173401165343014841913811201 |
11 | 2538767097801590027098850323201 |
12 | 52643875748950481516906361827558401 |
13 | 1503561738163266360299131304568093619201 |