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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.

A234757 Number of (n+1)X(5+1) 0..3 arrays with 2X2 edge jumps all no more than +1 in one of the clockwise or counterclockwise directions or both.

Table of values

n a(n)
1 712722
2 392044622
3 174451064914
4 81436516016562
5 37650372740746368
6 17443322778721788150
7 8077924001895128842744
8 3741199763580832200930610
9 1732660582029609793434136186
10 802449881238851602750335840920

List of values

[712722, 392044622, 174451064914, 81436516016562, 37650372740746368, 17443322778721788150, 8077924001895128842744, 3741199763580832200930610, 1732660582029609793434136186, 802449881238851602750335840920]

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

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