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.

A207988 Number of nX7 0..2 arrays avoiding the pattern z z+1 z horizontally and z z-1 z vertically.

Table of values

n a(n)
1 1465
2 2146225
3 1889730415
4 1607243845009
5 1389619561706920
6 1204494622138201455
7 1043523305166893694120
8 903935606226751254974991
9 783031438431844846908049583
10 678304096543940446283085485892

List of values

[1465, 2146225, 1889730415, 1607243845009, 1389619561706920, 1204494622138201455, 1043523305166893694120, 903935606226751254974991, 783031438431844846908049583, 678304096543940446283085485892]

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

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