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.

A122406 Numbers of the form Product_i p_i^e_i, where the p_i are distinct primes and the e_i are a permutation of the p_i.

Table of values

n a(n)
1 1
2 4
3 27
4 72
5 108
6 800
7 3125
8 6272
9 12500
10 21600
11 30375
12 36000
13 48600
14 84375
15 121500
16 169344
17 225000
18 247808
19 337500
20 395136
21 750141
22 823543
23 857304
24 1384448
25 3000564
26 3294172
27 6690816
28 19600000
29 22235661
30 24532992
31 37380096
32 37879808
33 53782400
34 59295096
35 88942644

List of values

[1, 4, 27, 72, 108, 800, 3125, 6272, 12500, 21600, 30375, 36000, 48600, 84375, 121500, 169344, 225000, 247808, 337500, 395136, 750141, 823543, 857304, 1384448, 3000564, 3294172, 6690816, 19600000, 22235661, 24532992, 37380096, 37879808, 53782400, 59295096, 88942644]

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

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