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.

A275506 Number of 6 X n 0..2 arrays with no element equal to any value at offset (-2,-1) (-2,0) or (-1,-1) and new values introduced in order 0..2.

Table of values

n a(n)
1 24
2 104
3 516
4 2628
5 13384
6 68080
7 346528
8 1763408
9 8974288
10 45670736
11 232422608
12 1182818704
13 6019467984
14 30633598480
15 155897059664
16 793373760912
17 4037548401360
18 20547436657936
19 104567700792400
20 532154167518352

List of values

[24, 104, 516, 2628, 13384, 68080, 346528, 1763408, 8974288, 45670736, 232422608, 1182818704, 6019467984, 30633598480, 155897059664, 793373760912, 4037548401360, 20547436657936, 104567700792400, 532154167518352]