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.

A300187 a(n) = n! * [x^n] Product_{k>=1} (1 + x^k)^(n/k).

Table of values

n a(n)
0 1
1 1
2 4
3 39
4 488
5 7615
6 147024
7 3371137
8 89079808
9 2665537713
10 89142430400
11 3295096700071
12 133399600068096
13 5870116973678191
14 278971698167158528
15 14239859507270510625
16 776985219329347518464
17 45130494178637796970273
18 2780224621391401396134912
19 181059775626543107582734183

List of values

[1, 1, 4, 39, 488, 7615, 147024, 3371137, 89079808, 2665537713, 89142430400, 3295096700071, 133399600068096, 5870116973678191, 278971698167158528, 14239859507270510625, 776985219329347518464, 45130494178637796970273, 2780224621391401396134912, 181059775626543107582734183]

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

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