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.

A205470 Number of (n+1)X4 0..2 arrays with every 2X2 subblock having the same number of equal edges, and new values 0..2 introduced in row major order.

Table of values

n a(n)
1 175
2 1548
3 14639
4 147129
5 1504556
6 15614579
7 162976758
8 1709130780
9 17963198743
10 189127385194
11 1993106187666
12 21019022873891
13 221754001074914
14 2340228495931166
15 24701472352877203
16 260760556151955406

List of values

[175, 1548, 14639, 147129, 1504556, 15614579, 162976758, 1709130780, 17963198743, 189127385194, 1993106187666, 21019022873891, 221754001074914, 2340228495931166, 24701472352877203, 260760556151955406]

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

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