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) |
|---|---|
| 1 | 3 |
| 2 | 36 |
| 3 | 684 |
| 4 | 15779 |
| 5 | 408222 |
| 6 | 11444292 |
| 7 | 340780382 |
| 8 | 10635858679 |
| 9 | 344674481333 |
| 10 | 11518916935288 |
| 11 | 394956511554556 |
| 12 | 13839075880034056 |
| 13 | 494013661434533634 |
| 14 | 17921279299283914328 |
| 15 | 659361786079631903704 |
| 16 | 24563166523294240335463 |