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.

A194800 Number of grid points that are covered after n-th stage of A139250, assuming the vertical toothpicks have length 2 and the horizontal toothpicks have length 4.

Table of values

n a(n)
0 0
1 3
2 11
3 17
4 31
5 39
6 67

List of values

[0, 3, 11, 17, 31, 39, 67]

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

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