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.

A066864 Number of binary arrangements without adjacent 1's on n X n rhombic hexagonal grid.

Table of values

n a(n)
0 1
1 2
2 6
3 42
4 524
5 13322
6 647252
7 61758332
8 11435477118
9 4129523869606
10 2902264461628298
11 3973109800760143708
12 10590895512774862686570
13 54979738656662942307796576
14 555797909644630436677137498230
15 10941698340065066230952215658836402
16 419471520990343359533179780148504998680

List of values

[1, 2, 6, 42, 524, 13322, 647252, 61758332, 11435477118, 4129523869606, 2902264461628298, 3973109800760143708, 10590895512774862686570, 54979738656662942307796576, 555797909644630436677137498230, 10941698340065066230952215658836402, 419471520990343359533179780148504998680]

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

Content is available under The OEIS End-User License Agreement.