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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.

A087665 Consider recurrence b(0) = n/4, b(k) = b(k-1)*floor(b(k-1)); sequence gives first integer reached, or -1 if no integer is ever reached.

Table of values

n a(n)
8 2
9 18
10 5
11 550935
12 3
13 3396542576998428
14 105

List of values

[2, 18, 5, 550935, 3, 3396542576998428, 105]

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