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.

A196434 Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,1,0,3,4 for x=0,1,2,3,4.

Table of values

n a(n)
1 9
2 85
3 621
4 5311
5 42604
6 349511
7 2856711
8 23313460
9 190423461
10 1555501171
11 12704412662
12 103763056849
13 847501887506
14 6922062563622
15 56536822184240
16 461770332107532
17 3771561120301804
18 30804663686920140
19 251600540889179023

List of values

[9, 85, 621, 5311, 42604, 349511, 2856711, 23313460, 190423461, 1555501171, 12704412662, 103763056849, 847501887506, 6922062563622, 56536822184240, 461770332107532, 3771561120301804, 30804663686920140, 251600540889179023]

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

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