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.

A197670 Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,0,1,0,1 for x=0,1,2,3,4.

Table of values

n a(n)
1 16
2 642
3 14503
4 403960
5 11277331
6 311676959
7 8613257822
8 239118653300
9 6630227642552
10 183756345226485
11 5094599088185193
12 141246701196281961
13 3915786139554013344
14 108558677747367102730
15 3009656266880644396542

List of values

[16, 642, 14503, 403960, 11277331, 311676959, 8613257822, 239118653300, 6630227642552, 183756345226485, 5094599088185193, 141246701196281961, 3915786139554013344, 108558677747367102730, 3009656266880644396542]

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

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