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.

A227955 Triangle read by rows, T(n, k) = prime(1)^p(k,1)*...*prime(n)^p(k,n) where p(k,j) is the j-th part of the k-th partition of n. The partitions of n are ordered in reversed lexicographic order read from left-to-right, starting with [1,1,...1] going down to [n].

Table of values

n a(n)
0 1
1 2
2 6
3 4
4 30
5 12
6 8
7 210
8 60
9 36
10 24
11 16
12 2310
13 420
14 180
15 120
16 72
17 48
18 32
19 30030
20 4620
21 1260
22 900
23 840
24 360
25 216
26 240
27 144
28 96
29 64
30 510510
31 60060
32 13860
33 6300
34 9240
35 2520
36 1800
37 1080
38 1680
39 720
40 432
41 480
42 288
43 192
44 128
45 9699690
46 1021020
47 180180
48 69300
49 44100

List of values

[1, 2, 6, 4, 30, 12, 8, 210, 60, 36, 24, 16, 2310, 420, 180, 120, 72, 48, 32, 30030, 4620, 1260, 900, 840, 360, 216, 240, 144, 96, 64, 510510, 60060, 13860, 6300, 9240, 2520, 1800, 1080, 1680, 720, 432, 480, 288, 192, 128, 9699690, 1021020, 180180, 69300, 44100]