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.

A274730 Number of 5 X n 0..2 arrays with no element equal to any value at offset (-1,-2) (-2,-1) or (-1,0) and new values introduced in order 0..2.

Table of values

n a(n)
1 8
2 144
3 1040
4 9308
5 84948
6 771300
7 7016284
8 63780144
9 579907180
10 5272264616
11 47934377596
12 435805897172
13 3962236677384
14 36023613993928
15 327517339347916
16 2977702208511048
17 27072492754395896
18 246136048094770872

List of values

[8, 144, 1040, 9308, 84948, 771300, 7016284, 63780144, 579907180, 5272264616, 47934377596, 435805897172, 3962236677384, 36023613993928, 327517339347916, 2977702208511048, 27072492754395896, 246136048094770872]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.