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.

A293082 Number of n X 3 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.

Table of values

n a(n)
1 0
2 5
3 53
4 498
5 4013
6 31689
7 246743
8 1915490
9 14853287
10 115216476
11 894466395
12 6951525006
13 54087414608
14 421322913539
15 3285654843025
16 25650404747946
17 200449942963173
18 1567942963397654
19 12275547702488649
20 96186181822236986

List of values

[0, 5, 53, 498, 4013, 31689, 246743, 1915490, 14853287, 115216476, 894466395, 6951525006, 54087414608, 421322913539, 3285654843025, 25650404747946, 200449942963173, 1567942963397654, 12275547702488649, 96186181822236986]

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

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