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.

A207955 Number of n X n 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 1 0 0 vertically.

Table of values

n a(n)
1 2
2 16
3 102
4 989
5 15839
6 454223
7 22743106
8 1965912435
9 292568573966
10 74527048580258
11 32449227184884623
12 24089588153258657647
13 30462508808101945246072
14 65556106479277551484530086

List of values

[2, 16, 102, 989, 15839, 454223, 22743106, 1965912435, 292568573966, 74527048580258, 32449227184884623, 24089588153258657647, 30462508808101945246072, 65556106479277551484530086]

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

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