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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.

A234756 Number of (n+1)X(4+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 80010
2 15939010
3 2683721676
4 469243923298
5 81436516016562
6 14155719250115192
7 2459819737238954066
8 427468816063895627714
9 74284713081666378716324
10 12909093718494739038921470
11 2243322903467332769441789170

List of values

[80010, 15939010, 2683721676, 469243923298, 81436516016562, 14155719250115192, 2459819737238954066, 427468816063895627714, 74284713081666378716324, 12909093718494739038921470, 2243322903467332769441789170]

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

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