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.

A130769 Injection of the sequence of positive integers used in recursive calls (including initial call) in the execution of the Collatz (3n+1) function into the positive integers using the standard power-of-primes encoding (`Goedel-coding').

Table of values

n a(n)
1 2
2 12
3 1649253940128607650037732224082865475000
4 720
5 2032221170141662500000
6 7372155480163603867228249918067794802791875000000

List of values

[2, 12, 1649253940128607650037732224082865475000, 720, 2032221170141662500000, 7372155480163603867228249918067794802791875000000]

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

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