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.

A199654 Number of nX7 0..2 arrays with values 0..2 introduced in row major order and each element equal to no more than two horizontal and vertical neighbors.

Table of values

n a(n)
1 365
2 571530
3 713445976
4 898852775335
5 1132589231853096
6 1427019666767669979
7 1797997097480559332224
8 2265416280260844187870380
9 2854348741463033805904551375
10 3596383952736036093799275624989

List of values

[365, 571530, 713445976, 898852775335, 1132589231853096, 1427019666767669979, 1797997097480559332224, 2265416280260844187870380, 2854348741463033805904551375, 3596383952736036093799275624989]

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

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