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.

A275179 Number of n X 4 0..2 arrays with no element equal to any value at offset (-2,-1) (-1,0) or (-1,1) and new values introduced in order 0..2.

Table of values

n a(n)
1 14
2 64
3 89
4 141
5 353
6 914
7 2386
8 6228
9 16249
10 42451
11 111108
12 291065
13 762378
14 1995896
15 5223852
16 13673069
17 35794346
18 93714905
19 245360591
20 642367172
21 1681704625
22 4402670689
23 11526266952
24 30176270194
25 79002891883
26 206832552922

List of values

[14, 64, 89, 141, 353, 914, 2386, 6228, 16249, 42451, 111108, 291065, 762378, 1995896, 5223852, 13673069, 35794346, 93714905, 245360591, 642367172, 1681704625, 4402670689, 11526266952, 30176270194, 79002891883, 206832552922]