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.

A297105 Smallest square k > 1 such that iterating the map (k -> number of divisors(k)) n times yields a square on each iteration.

Table of values

n a(n)
0 4
1 36
2 1587600
3 296110298950956428271894663224760734752656000000

List of values

[4, 36, 1587600, 296110298950956428271894663224760734752656000000]

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

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