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.

A207934 Number of n X n 0..1 arrays avoiding 0 0 1 and 1 0 0 horizontally and 0 0 1 and 1 1 0 vertically.

Table of values

n a(n)
1 2
2 16
3 98
4 643
5 5594
6 58602
7 737575
8 10609482
9 171524786
10 3063622641
11 59875563176
12 1270299719270
13 29076260441101
14 714274071132328
15 18746674985446278
16 523589036696879095
17 15507197067809135806
18 485494086155807224584

List of values

[2, 16, 98, 643, 5594, 58602, 737575, 10609482, 171524786, 3063622641, 59875563176, 1270299719270, 29076260441101, 714274071132328, 18746674985446278, 523589036696879095, 15507197067809135806, 485494086155807224584]

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

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