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.

A138113 a(n) is the smallest number with same number of divisors as n*a(n-1).

Table of values

n a(n)
1 1
2 2
3 6
4 24
5 120
6 720
7 5040
8 27720
9 166320
10 1441440
11 7207200
12 73513440
13 367567200
14 4655851200
15 64250746560
16 1028011944960
17 5140059724800
18 32607253879200
19 260858031033600
20 4620913692595200
21 97039187544499200
22 897612484786617600
23 9873737332652793600

List of values

[1, 2, 6, 24, 120, 720, 5040, 27720, 166320, 1441440, 7207200, 73513440, 367567200, 4655851200, 64250746560, 1028011944960, 5140059724800, 32607253879200, 260858031033600, 4620913692595200, 97039187544499200, 897612484786617600, 9873737332652793600]

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

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