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.

A168510 Products across consecutive rows of the denominators of the Leibniz harmonic triangle (A003506).

Table of values

n a(n)
1 1
2 4
3 54
4 2304
5 300000
6 116640000
7 133413966000
8 444110104166400
9 4267295479315169280
10 117595223746560000000000
11 9245836018244425723200000000
12 2065215715357207851951980544000000

List of values

[1, 4, 54, 2304, 300000, 116640000, 133413966000, 444110104166400, 4267295479315169280, 117595223746560000000000, 9245836018244425723200000000, 2065215715357207851951980544000000]

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

Content is available under The OEIS End-User License Agreement.