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.

A297707 a(n) = Product_{k=1..n-1} n!k, where n!k is k-tuple factorial of n.

Table of values

n a(n)
1 1
2 2
3 18
4 768
5 90000
6 44789760
7 30494620800
8 121762322841600
9 393644011735296000
10 5618427494400000000000
11 107587910030480590233600000
12 5951222311476064581656248320000
13 176804782652901880753915871232000000
14 69819090744423637487544223697731584000000

List of values

[1, 2, 18, 768, 90000, 44789760, 30494620800, 121762322841600, 393644011735296000, 5618427494400000000000, 107587910030480590233600000, 5951222311476064581656248320000, 176804782652901880753915871232000000, 69819090744423637487544223697731584000000]