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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.

A184555 Number of (n+1)X(n+1) 0..2 arrays with no 2X2 subblock summing to less than 4.

Table of values

n a(n)
1 50
2 5736
3 3436266
4 12900566348
5 276510402290782
6 35245029137091490532
7 26246732217663407375879655
8 115019923806287297509943176811916
9 2957519612846906106776158316962863659667

List of values

[50, 5736, 3436266, 12900566348, 276510402290782, 35245029137091490532, 26246732217663407375879655, 115019923806287297509943176811916, 2957519612846906106776158316962863659667]

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

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