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.

A276300 Number of 3 X n 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 5
2 11
3 45
4 173
5 693
6 2765
7 11061
8 44237
9 176949
10 707789
11 2831157
12 11324621
13 45298485
14 181193933
15 724775733
16 2899102925
17 11596411701
18 46385646797
19 185542587189
20 742170348749
21 2968681394997
22 11874725579981
23 47498902319925

List of values

[5, 11, 45, 173, 693, 2765, 11061, 44237, 176949, 707789, 2831157, 11324621, 45298485, 181193933, 724775733, 2899102925, 11596411701, 46385646797, 185542587189, 742170348749, 2968681394997, 11874725579981, 47498902319925]

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

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