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.

A205471 Number of (n+1)X5 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)
1 677
2 9654
3 147129
4 2368164
5 38649376
6 637115198
7 10546235416
8 175062268404
9 2910381717975
10 48432892623689
11 806480855084974
12 13434383228654935
13 223845611339717176
14 3730339300748533737
15 62171596821236304515

List of values

[677, 9654, 147129, 2368164, 38649376, 637115198, 10546235416, 175062268404, 2910381717975, 48432892623689, 806480855084974, 13434383228654935, 223845611339717176, 3730339300748533737, 62171596821236304515]

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

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