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.

A276302 Number of 5Xn 0..2 arrays with no element equal to any value at offset (-2,-1) (-1,1) or (0,-1) and new values introduced in order 0..2.

Table of values

n a(n)
1 41
2 88
3 805
4 5965
5 50949
6 408105
7 3363533
8 27372713
9 224012077
10 1828722821
11 14945190941
12 122079734781
13 997423034925
14 8148425295997
15 66571199181721
16 543864761405757
17 4443232843935221
18 36299916368689017
19 296560213286564513

List of values

[41, 88, 805, 5965, 50949, 408105, 3363533, 27372713, 224012077, 1828722821, 14945190941, 122079734781, 997423034925, 8148425295997, 66571199181721, 543864761405757, 4443232843935221, 36299916368689017, 296560213286564513]

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

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