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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.

A251370 Number of (n+1)X(5+1) 0..2 arrays with every 2X2 subblock summing to 1 2 3 4 5 6 or 7.

Table of values

n a(n)
1 472943
2 310199103
3 203249994369
4 133187012365193
5 87274898497023663
6 57189617044768555919
7 37475289004151496747521
8 24556857847572938143153273
9 16091650870807332663609588335
10 10544558647186113778424744945247

List of values

[472943, 310199103, 203249994369, 133187012365193, 87274898497023663, 57189617044768555919, 37475289004151496747521, 24556857847572938143153273, 16091650870807332663609588335, 10544558647186113778424744945247]

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

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