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.

A274892 Number of n X 5 0..2 arrays with no element equal to any value at offset (0,-1) (-1,-1) or (-2,0) and new values introduced in order 0..2.

Table of values

n a(n)
1 8
2 108
3 86
4 290
5 913
6 3017
7 9863
8 32539
9 107369
10 354366
11 1171235
12 3869271
13 12787884
14 42266197
15 139689475
16 461723614
17 1526118256
18 5044271535
19 16673106905
20 55109948877
21 182157291955
22 602093030588
23 1990121537282
24 6578044463591

List of values

[8, 108, 86, 290, 913, 3017, 9863, 32539, 107369, 354366, 1171235, 3869271, 12787884, 42266197, 139689475, 461723614, 1526118256, 5044271535, 16673106905, 55109948877, 182157291955, 602093030588, 1990121537282, 6578044463591]