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.

A302148 Number of nX6 0..1 arrays with every element equal to 0, 2, 3 or 4 horizontally or antidiagonally adjacent elements, with upper left element zero.

Table of values

n a(n)
1 1
2 6
3 34
4 255
5 2005
6 15999
7 128319
8 1030709
9 8283143
10 66576711
11 535145269
12 4301582207
13 34576983087
14 277937230517
15 2234120533079
16 17958355078007
17 144353239501301
18 1160343364887311
19 9327097456058015
20 74973279259758837

List of values

[1, 6, 34, 255, 2005, 15999, 128319, 1030709, 8283143, 66576711, 535145269, 4301582207, 34576983087, 277937230517, 2234120533079, 17958355078007, 144353239501301, 1160343364887311, 9327097456058015, 74973279259758837]

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

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