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.

A278186 Number of nX5 0..3 arrays with every element plus 1 mod 4 equal to some element at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) or (1,0), with upper left element zero.

Table of values

n a(n)
1 0
2 935
3 295190
4 81691958
5 23124026160
6 6545874548694
7 1852662745588838
8 524386828923495662
9 148424784547109672280
10 42010806495461042971956
11 11890925205860266718183950
12 3365660260074301506275917454

List of values

[0, 935, 295190, 81691958, 23124026160, 6545874548694, 1852662745588838, 524386828923495662, 148424784547109672280, 42010806495461042971956, 11890925205860266718183950, 3365660260074301506275917454]

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

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