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.

A348642 a(n) = Product_{k=1..A003056(n)} prime(k)^T(n,k), with row n of T = row n of A237591.

Table of values

n a(n)
1 2
2 4
3 12
4 24
5 72
6 240
7 720
8 1440
9 7200
10 20160
11 60480
12 201600
13 604800
14 1693440
15 13305600
16 26611200
17 79833600
18 372556800
19 1117670400
20 3512678400
21 20756736000
22 58118860800
23 174356582400
24 581188608000
25 2739889152000
26 7671689625600
27 45332711424000
28 118562476032000

List of values

[2, 4, 12, 24, 72, 240, 720, 1440, 7200, 20160, 60480, 201600, 604800, 1693440, 13305600, 26611200, 79833600, 372556800, 1117670400, 3512678400, 20756736000, 58118860800, 174356582400, 581188608000, 2739889152000, 7671689625600, 45332711424000, 118562476032000]

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

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